You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Nancy Allen and I need to reach Charlotte on 12/04 to attend my uncle's house warming ceremony, I will return within two days that is on 12/04. Can you help me in booking?

ASSISTANT: Sure, can I know your airport codes?

USER: My boarding point is Chicago, IL-ORD and my destination is Charlotte, NC-CLT.

ASSISTANT: May I know your return date?

USER: I intend to return on 12/06.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: We found a flight on Southwest airline, flight number 1025 with the fare of 100.

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help me in booking.

ASSISTANT: Thank you for reaching us.