You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me with booking a flight ticket from IAH to CLT?

ASSISTANT: Sure, I am here to assist you with that. Can I know your travel dates please?

USER: Travel dates are Nov 05 and 07.

ASSISTANT: Ok, please tell me your name to proceed further.

USER: My name is Patricia Anderson.

ASSISTANT: Ok, is there any specific timings to depart and return?

USER: I would like to return at afternoon.

ASSISTANT: Ok, please share your preference about the connection limit.

USER: I need a direct flight.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no flight found with the details you have given.

USER: No worries, thank you for the information.

ASSISTANT: You are welcome. Thank you for choosing us.