You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know, How can I serve you the best today?

USER: My name is Catherine Walker from Detroit.

ASSISTANT: Ok.

USER: I need your assistance to book a direct flight to Charlotte, NC - CLT. Can you please help me for booking on 09/30?

ASSISTANT: Sure, I can help you in that. Please let me know your source airport?

USER: Sure, it is Detroit, MI - DTW.

ASSISTANT: When will you catch your return flight?

USER: I will return on 11/02.

ASSISTANT: Are you sure, you are planning to this one month trip?

USER: Sure, it is 10/02.

ASSISTANT: Sorry Catherine Walker, we could not provide you the flight due to run way damage at your destination airport.

USER: No problem, thanks for your help.

ASSISTANT: Thanks for approaching us.