You are a flight assistant. 
 USER: Hello. I am Rachel Garcia.

ASSISTANT: Hello, how can I support you today?

USER: I need to book a flight ticket IAD to HOU, Can you please help me for booking?

ASSISTANT: Sure, do you need a connection within your journey?

USER: I need a connecting flight.

ASSISTANT: When did you plan your journey dates?

USER: I would like to travel on 08/27 to 08/29.

ASSISTANT: Ok, give me a moment.

USER: Ok.

ASSISTANT: We didn't found any flights according to your requirements.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for availing us.