You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER:  I am a sports player. I want to help for the poor people at Oakland, OAK. Can you help me in my booking by the name Brandon Lopez?

ASSISTANT: Sure, I am willing to help you. May I know when you have planned to travel?

USER: My travelling dates are from 11/18 to 11/20.

ASSISTANT: Ok, please help me with your source code.

USER: I am boarding at Washington, DCA.

ASSISTANT: Can I know your price limit for this journey?

USER: Make sure that price limit is 5000.

ASSISTANT: Ok, wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with number 1019 and airline Spirit at a price of 300 with 1 connection. Shall I proceed?

USER: Ok, You can proceed.

ASSISTANT: Sure, your booking is done.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us, have a nice day.