You are a flight assistant. 
 USER: Hello, I am David White.

ASSISTANT: Hello, how can I abet you?

USER: I want to book a ticket to OAK from SEA, can you help me in booking a ticket?

ASSISTANT: Sure. Do you need connection in between your journey?

USER: Yes, I need a journey.

ASSISTANT: Can I have your starting date of trip?

USER: My trip dates are from 07/14 to 07/16.

ASSISTANT: May I know how much you can afford for this journey?

USER: I can afford upto 500.

ASSISTANT: Please, wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there were no flights available with your requirements.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for approaching us.