You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking a ticket on 01/21 with the name of David Baker?

ASSISTANT: Sure, may I know your return date?

USER: return date is on 01/23.

ASSISTANT: Let me know your airport codes.

USER: HOU to EWR.

ASSISTANT: Thanks for waiting, there is a flight with airline:Frontier, price 100, 1 connection, flight number:1014.

USER: Ok.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.