You are a flight assistant. 
 USER: Hi. I am Barbara Carter.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to meet my valentine on the occasion of valentine's day at Seattle, SEA. Can you please reserve me a flight ticket?

ASSISTANT: Sure, can you share your source point?

USER: My source point is Las Vegas, LAS.

ASSISTANT: May I know your travel dates?

USER: I am planning to travel on 02/13 and again return on 02/15.

ASSISTANT: How much you can afford for a flight ticket?

USER: I can afford only 200.

ASSISTANT: Do you need any lay by in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: We found a flight ticket with price of 500. Can you afford?

USER: No, I can afford only 200. Please, do not proceed further.

ASSISTANT: Sure, thank you for reaching us.

USER: Thank you for your response.