You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I want to book a flight ticket from ATL to IAH, could you please help?

ASSISTANT: Sure, please share your travelling dates.

USER: I will start on Nov 21st and will return back on Nov 23rd.

ASSISTANT: Sure, please provide your class preference.

USER: I am comfortable with any class.

ASSISTANT: At what time you want to depart and return?

USER: I would like to return back in the afternoon.

ASSISTANT: Ok, do you have any other requirements?

USER: My connection limit is one.

ASSISTANT: May I know your good name please?

USER: My name is Amanda Scott.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There are no flights found on your requested dates.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.