You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how are you?

USER: I am doing well.I am having a board meeting in CA - OAK. Can you help me in booking my flight ticket?

ASSISTANT: Sure, can you please provide me the source airport code?

USER: My source is DC - DCA.

ASSISTANT: Ok, can you please share your travelling dates?

USER: I would like to start my journey on 07/09 and want to return back on 07/11.

ASSISTANT: Ok, may I know your good name please?

USER: Sure. I'm Janet Walker.

ASSISTANT: I found a flight airlines Frontier and the flight number is 1011.

USER: Can I know the price?

ASSISTANT: Sure, the price is just 100.

USER: Please book it for me.

ASSISTANT: Ok Walker, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.

USER: Your welcome.