You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I would like to book a flight ticket from NC to attend my sister's marriage in TX, could you please help me in booking?

ASSISTANT: Ok, please share your name to proceed further.

USER: I am Nicole Thompson.

ASSISTANT: To proceed further I need your source and destination codes.

USER: My boarding and landing airport codes are CLT and HOU.

ASSISTANT: May I know your trip dates to reserve your seat.

USER: Sure, I need to depart on 01/03 and my return date will be on 01/05.

ASSISTANT:  Are there any more preferences that you want to avail?

USER: No.

ASSISTANT: There is a connecting flight-1011 in economy class, shall I book it?

USER: Yes, you can book the ticket.

ASSISTANT: Ok, booking is done on Delta airlines.

USER: Thank you for your assistance in booking.

ASSISTANT: Welcome Nicole Thompson.