You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Mitchell.

ASSISTANT: How may I aid you today?

USER: I want to book a ticket from Charlotte to meet my family in Houston, can you help me in booking?

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: Can you please mention your airport code names for booking flight ticket?

USER: I am departing from CLT and landing in IAH.

ASSISTANT: Could you please let me know your journey dates for booking flight ticket?

USER: My departure date is 12/20 and return on 12/22.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Ok.

ASSISTANT: There is a flight available as per your requested dates, airline is Spirit and flight number is 1008.

USER: Please proceed for booking.

ASSISTANT: Shall I proceed? Ok. Your flight ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a good day.