You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to reserve flight ticket from PHX to HOU, can you please help me?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My planned travelling dates are Apr, 14 and 16 respectively.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class to travel.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: Flight has to be with a single connection.

ASSISTANT: Do you have any particular time for departing and returning?

USER: No, thank you for asking.

ASSISTANT: Do you have any airline preference? May I know your good name please?

USER: I am comfortable with any airline to travel. Nicholas Harris here.

ASSISTANT: We found JetBlue airline with economy class and flight number is 1020 with arrival time is 21.00 hours and departure time is 18.00 hours.Shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: You are welcome.