You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jerry Baker.

ASSISTANT: How can I render you at this moment?

USER: Can you help me to book a flight from ATL to OAK?

ASSISTANT: Sure, I am here to assist you. Could you please help me with your travelling dates? May I know your price limit?

USER: I would like to travel on 09/15 and 09/17. My price limit is 500.

ASSISTANT: Please wait for a while Jerry Baker.

USER: Ok.

ASSISTANT: There is a UA 1013 airline with fare of 600, Are you ok with this airline? Can you pay 600 for your ticket?

USER: My price limit is 500 only, can I get any discount.

ASSISTANT: Sorry, no discount is available for this airline.

USER: Ok, thank you for your information.

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