You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anthony Allen.

ASSISTANT: How can I be your helping hand?

USER: Can you please help me to book a flight ticket from EWR - OAK?

ASSISTANT: Sure, Please provide me your travelling dates?

USER: I would like to start my journey on 02/15 and return on 02/17.

ASSISTANT: Can you mention your price limit?

USER: Sure, my price limit is 500.

ASSISTANT: We found a flight, with ticket fare 800. Are you able to travel in that?

USER: I am not able to travel in that flight because I can afford up to 500 only.

ASSISTANT: That's ok.

USER: Thank you.

ASSISTANT: Thanks for choosing us.