You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Nicole Lopez.

ASSISTANT: Nicole Lopez, what can I do for you?

USER:  I got an opportunity and I would have to perform a world music concert in Carnegie hall which is in New York.

ASSISTANT: Ok.

USER: I have to book a flight ticket with price 500.

ASSISTANT: Let me know your flight codes.

USER: My source is from CA-SFO and destination is from NY-EWR.

ASSISTANT: May I know your journey dates?

USER: My journey dates are 11/25 and 11/27.

ASSISTANT: Thanks for your patience. We found a flight having 1 connection with price of 100. Is it comfortable to you?

USER: Sure.

ASSISTANT: Your ticket has reserved. Thank you for reaching us.

USER: Thank you for your kind help.