You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you now?

USER: Can you please book me a flight ticket to New York, as I need to attend my business meeting?

ASSISTANT: Sure, can you please provide me your airport codes?

USER: Sure, my preferable airport codes are IAH and LGA.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I would like to start on 12/23 and return back on 12/25.

ASSISTANT: May I know your good name please?

USER: Sure, myself Charles Evans.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: There is a flight found with Delta airline of flight number 1014, fare is 100 and single connection.

USER: Ok, please make it confirm.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your support and help.

ASSISTANT: Thanks for opting us.