You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Jennifer Harris. Owing to an emergency, I want to change an existing reservation. Could you help me in changing the reservation?

ASSISTANT: Sure, I am here to help you. Please stand by.

USER: Sure.

ASSISTANT: Thanks for your time, we found a reservation on your name. Please share your new planned travel dates.

USER: I want to fly on 01/07 and return on 01/09.

ASSISTANT: Ok, can I know your journey codes?

USER: My source is CA - LAX and destination code is MN - MSP.

ASSISTANT: Ok, we found a flight with number 1007 and airline UA at a price of 300 with 1 connection. Shall I Proceed?

USER: Don't proceed to booking. I can afford up to 200 only.

ASSISTANT: Ok, thank you for reaching us.

USER: Thank you.

ASSISTANT: Have a nice day.