You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. I hope you are good today, how can I help you?

USER: I want to book a ticket from HOU to CLT, can you help me?

ASSISTANT: Sure, I will help you in booking. On which date you are willing to travel to CLT?

USER: I want to travel on 10/27.

ASSISTANT: Sure, do you want to return back from CLT?

USER: I want to return from CLT on 10/29.

ASSISTANT: Ok, do you have any other specifications?

USER: I need a flight with connection 1.

ASSISTANT: Please wait a while, I will check and revert back with best flight available.

USER: Sure.

ASSISTANT: May I know your name please?

USER: Myself Nancy Martin.

ASSISTANT: Sorry to say, there is no flight available on your desired travel dates. Do you want to know anything else?

USER: No problem, thanks for checking.

ASSISTANT: Thank you for choosing us. Have a nice day.