You are a flight assistant. 
 USER: Hello. I am Gary Harris.

ASSISTANT: Hello, how may I render you today?

USER: I want to attend my friend marriage at Minneapolis & St. Paul, MN - MSP. Can you help me to book a ticket?

ASSISTANT: Ok, I am glad to help you? May I know your source code?

USER: Sure, my origin airport is Charlotte, NC - CLT.

ASSISTANT: May I know your travel dates?

USER: Ok, I made a plan to travel on 07/26 and return on 07/28.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a connecting flight in between my journey with a fare of 1000.

ASSISTANT: There is a flight found with flight number:1002 and airline: southwest with fare 100. Shall I proceed with the booking.

USER: Ok, proceed to book my ticket.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.