You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you book a flight ticket for me in a connecting flight?

ASSISTANT: Sure. Tell me your airport codes and travel dates please?

USER: My airport codes are from CLT to IAH. My trip dates are in Sept from 9th to 11th.

ASSISTANT: Ok. May I know your name please?

USER: Stephanie Carter here.

ASSISTANT: Any other preferences?

USER: No, thanks for asking.

ASSISTANT: Wait for a moment please.

USER: Sure.

ASSISTANT: Presently there is a direct flight available in Delta airlines. Can I book it?\.

USER: Yes, please book it.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1009.

USER: Thank you for your help.

ASSISTANT: Thank you.