You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Mark Robinson. Please help me to book a flight ticket from AUS to IAH.

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

USER: My travel dates are from June, 18 to June, 20.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I prefer for connecting flight.

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

USER: My return time should be at morning.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found UA airline with price 100 and economy class and flight number is 1020 with arrival time is 10 AM and departure time is 22 PM.Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: You are welcome.