You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a flight ticket from ATL to PHX?

ASSISTANT: Sure, can I know your travelling dates?

USER: My trip dates are 04/10 and 04/12.

ASSISTANT: On which name should I reserve the flight ticket?

USER: I am Jessica Campbell.

ASSISTANT: Do you have any connection limit?

USER: I am comfortable to travel in a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found UA airline with price 100 and economy class and airline number is 1015 with arrival time is 4:00 hours and departure time is 8:00 hours, Shall I proceed for booking?

USER: Yes, proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.