You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of help are you seeking from us?

USER: I am Nancy Martinez here. I am planning to meet my friend in Houston, HOU. Can you please help me with booking a flight ticket from CLT?

ASSISTANT: Sure, kindly mention the dates of your journey.

USER: My planned journey dates are Apr 03 and Apr 05.

ASSISTANT: Do you have a class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight in my journey.

ASSISTANT: Ok, please stay online. I will check the availability of flights and let you know the information.

USER: I need to book my ticket with normal cost and my depart time should be Evening, please recheck with that.

ASSISTANT: Ok. Sorry for the inconvenience, there were no flights found on your route.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for approaching us.