You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, what can I do for you?

USER: As I am a singer I want to attend for song recording at OAK. So, can you please book a ticket for me with price below 200?

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling dates are from 06/17 to 06/19.

ASSISTANT: Ok, can you please assign your connection details?

USER: I need a single connected flight.

ASSISTANT: May I know your source code?

USER: Origin airport is DCA.

ASSISTANT: To proceed further, may I know your name?

USER: I am Robert Baker.

ASSISTANT: please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no flights are available with the price limit of 200.

USER: Ok, No issues. Thanks for the information.

ASSISTANT: Thank you for approaching us.