You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Patricia Johnson. I am planning to meet my college friend who are staying in Oakland CA-OAK. Will you please help me for getting my flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 10/10 and 10/12.

ASSISTANT: Kindly provide your source code.

USER: My source code is TX-DFW.

ASSISTANT: There is a flight found with number 1007, Hawaiian as airline. The cost of the ticket is 100.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us.