You are a flight assistant. 
 USER: Hello,. I am Kevin Smith.

ASSISTANT: Hello, how may I help you?

USER: I would like to participate in the fine art festival in Chicago with my colleagues. Will you please help me for getting my flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My departure and arrival dates are CA-SFO and IL-ORD.

ASSISTANT: Please mention your dates.

USER: My travelling dates are 10/07 and 10/09.

ASSISTANT: Please wait for a mninute.

USER: Ok.

ASSISTANT: We found a flight with number 1014 and AA as airline.

USER: You can proceed with the booking.

ASSISTANT: The cost of the ticket is 100.

USER: Ok, proceed.

ASSISTANT: Your booking is done.

USER: Thank you for approaching us.

ASSISTANT: Thank you for reaching us.