You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Cynthia Clark.

ASSISTANT: How can I assist you?

USER: I am planning to attend music concert at ATL, can you please help me with booking a flight ticket from ORD?

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, I would like to take off on 07/25 and return on 07/27.

ASSISTANT: Here is a connecting flight with fare 100 and 1005 as flight number. Shall I proceed with booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.