You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Angela Clark.

ASSISTANT: How can I aid you today?

USER: Can you help me for booking a flight ticket to attend a Birthday party in Charlotte?

ASSISTANT: Sure, we are here to help you with this. May I know your preferable airport codes?

USER: Thank you. My travelling airport codes are IAH to CLT.

ASSISTANT: Can you please share your respective travel dates?

USER: My travelling dates are June 07 and June 09.

ASSISTANT: Do you have any airline preference?

USER: Any airline is fine for me.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: please share if you want to travel in any specific time?

USER: My departure time is evening.

ASSISTANT: There is a connecting flight-1024 in American Airlines with a fare of 200. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done in economy class, the depart time is evening.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us, have a safe journey.

USER: Welcome.