You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: I have a business meeting in Phoenix, can you help me for booking a flight ticket from SEA to PHX?

ASSISTANT: Sure, when are you willing to travel?

USER: My travelling dates are Apr 24 and Apr 26.

ASSISTANT: Do you have any preferences?

USER: My airline preferences is normal cost.

ASSISTANT: May I know your name please?

USER: My name is Betty Nelson.

ASSISTANT: We found a direct flight in an airline Hawaiian with 1007 number price of 100. Shall I reserve it for you?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.