You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How may I help you today?

USER: I am Ryan Collins. I would like to visit The Music Box Theatre at Houston, TX - IAH. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please mention your travelling dates?

USER: I will fly on 11/27 and return on 11/29.

ASSISTANT: From which airport you would like to start your journey?

USER: My origin airport code is Charlotte, NC - CLT.

ASSISTANT: Do you have any other requirements?

USER: My fare limit is 1000.

ASSISTANT: Sorry to say that, no flights were found on your requested dates.

USER: That's ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your response.