You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Stephanie Hill here.

ASSISTANT: Nice to meet you Stephanie.

USER: Thank you. Can you please reserve me a flight ticket from DCA to HOU?

ASSISTANT: Yes, tell me your travel dates please?

USER: Sure, my travel dates are from Oct 12 to Oct 14.

ASSISTANT: May I know your departure and return time please?

USER: I would like to arrive in the afternoon.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry there no flights available in the afternoon time.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you.