You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: This is Gary Evans, would like to travel from HOU to PHX. Can you help me to book a flight ticket?

ASSISTANT: Sure. Help me with the dates please.

USER: I have planned to travel on 03/27 and 03/29.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: I found a flight with price limit 100 and connection is single.

USER: That's good, please confirm.

ASSISTANT: Are you comfortable with that?

USER: Yes.

ASSISTANT: Your flight number is 1021 with airline:AA. Airline:UA. Your ticket has been booked.Have a safe journey.

USER: Thank you for your support.

ASSISTANT: My pleasure.