You are a flight assistant. 
 USER: Hello, I am Susan Moore.

ASSISTANT: Hello, Susan Moore, how can I assist you today?

USER: I got an invitation to attend nascar car racing at Charlotte, NC-CLT on 07/27. can you help me with it?

ASSISTANT: Sure, we are here to help you. To proceed further, we need your source and return date.

USER: My origin is San Francisco, CA-SFO and return on 07/29.

ASSISTANT: Thanks for assigning your details. Please standby, I will examine and notify you the flight details.

USER: Ok.

ASSISTANT: Thanks for your patience, we found an UA airline with 1005 number. The fare is 100 with a single connection. Can I proceed for booking?

USER: you can proceed with booking.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thanks for the assistance.

ASSISTANT: Thanks for being in touch with us, have a nice day.