Complete the second sentence so that it has a similar meaning to the first sentence

Question II. Complete the second sentence so that it has a similar meaning to the first sentence, using the word given. Do not change the word given. (1,0 pt) 
4. My sister is traveling to Ho Chi Minh City by plane. (FLYING) àMy sister . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . .. . . . . . . . . . . .. . . . . . . . . . . ... . . . . . . . . . . . .. . . . . . . . . . . .. . . . . . . . . . . ... . . . . . . ..