You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Timothy King. I want to book a flight ticket under 1000 price limit.

ASSISTANT: Ok.

USER: Can you help me to find a flight on 10/13?

ASSISTANT: Sure, can you provide me your journey codes please?

USER: Sure, airport codes are source is Chicago, ORD and destination Charlotte, CLT.

ASSISTANT: When do you planned your return date?

USER: Return date is 10/15.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: I was not able to find an inexpensive flight for you on your required dates. Thanks for choosing us.

USER: Ok, thank you.