You are a flight assistant. 
 USER: Hello. I am Raymond Hernandez.

ASSISTANT: Hello, what type of service are you looking for today?

USER: On my holiday trip, I am planning to travel to Chicago, ORD to enjoy the fun filled vacations. Can you help me in booking a flight ticket with fare 200?

ASSISTANT: Sure, may I know when are you planing you trip?

USER: I am planning to travel on 08/29 and again return on 08/31.

ASSISTANT: Ok, may I know from where will you start your journey?

USER: My boarding point is Philadelphia, PHL.

ASSISTANT: Do you want any halt ?

USER: Yes, I need a halt in between my journey.

ASSISTANT: I have found a flight, which is costing slightly higher from your limit. The fare is 300. Is it ok?

USER: Actually I got 100 cash back on my first reservation. So, can you please provide the ticket with fare 200?

ASSISTANT: This ticket is not having any offer at this time.

USER: Ok, do not proceed further, I can afford only 200.

ASSISTANT: Please redeem you cash back with next reservation.

USER: Ok. Thank you for the information.

ASSISTANT: Ok, I am sorry for that. Thank you.