You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I want to go to Oakland, OAK to explore nature. So, will you help me in ticket booking?

ASSISTANT: Sure. May I know your planned dates of journey?

USER: My journey dates are on 11/22 and 11/24.

ASSISTANT: Can you provide me your source code?

USER: My source code is DEN.

ASSISTANT: Do you need any connection limit?

USER: I need one connection in my journey.

ASSISTANT: Ok, we found an UA airline with flight number 1009 and the fare is 100. Shall I proceed with this booking?

USER: Ok,  please confirm it with the name of Michelle Johnson.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.