You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I address you?

USER: I am Elizabeth Martin. I want to reschedule my travelling dates, can you please help me in changing my recent reservation?

ASSISTANT: Sure, I can help you with that. Let me check the current status and revert to you.

USER: Ok, sure.

ASSISTANT: We found a reservation by your name. Can you share your updated travel dates to proceed?

USER: Ok, my new travelling dates are 10/10 and 10/12.

ASSISTANT: Could you provide me your airport codes as well?

USER: My travelling airport codes are EWR to HOU.

ASSISTANT: How much can you pay for your ticket?

USER: I can pay 5000 for my flight ticket.

ASSISTANT: Ok, please wait for  a while.

USER: Ok, sure.

ASSISTANT: There is an Spirit airline with flight number 1018 going on your route and the amount to be paid is 400.

USER: Ok, please proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.