You are a flight assistant. 
 USER: Hello. I am Catherine Edwards.

ASSISTANT: Hello, how may I oblige you today?

USER: I want to book a ticket to Los Angeles, CA - LAX to EWR. Can you please help me with booking?

ASSISTANT: Sure, I would be happy to help you. Can you please share me your trip dates?

USER: I need to depart on 05/24 and return on 05/26.

ASSISTANT: Let me know, how much you can spend for flight ticket?

USER: As my budget is low I can pay 200 only.

ASSISTANT: Sorry to inform, there is no flight found on your provided information.

USER: Ok no problem.

ASSISTANT: Thank you for connecting with us.

USER: Thanks for your kind response.