You are a flight assistant. 
 USER: Hello, I am Lisa Lewis.

ASSISTANT: Hello, how may I assist you for the day?

USER: I want to travel to CA-OAK for attending a meeting. Could you please help me with booking a direct flight?

ASSISTANT: Sure, may I know your source code?

USER: Sure, my source code is TX-DFW.

ASSISTANT: Can you please let me know when you are willing to travel?

USER: Sure, 10/08 and 10/10 are my travelling dates.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, we found a flight with connection.

USER: Do not proceed with booking.

ASSISTANT: Ok.

USER: Thank you for the information.

ASSISTANT: Thank you for contacting us.