You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you now?

USER: I want to modify my reservation. As I am suffering with fever So, I have postponed my trip. Can you please help me in changing my recent reservation?

ASSISTANT: Sure, I will help you with that. Can I have your good name please to check your reservation status?

USER: Ok, thank you for accepting my request and I have reserved my flight ticket with name Laura Miller.

ASSISTANT: Ok, please wait a moment.

USER: Ok, sure I will wait for your reply.

ASSISTANT: Yes Laura Miller, your reservation has found so please let me know your travelling dates.

USER: My new travelling dates are Jan 14 and jan 16.

ASSISTANT: Can I have the airport codes of your journey locations?

USER: My new travelling airport codes are BOS to ATL.

ASSISTANT: Do you have any specifications?

USER: I need single connection flight.

ASSISTANT: Is there any other requirement?

USER: No.

ASSISTANT: Frontier airlines running a flight in your route with connection 1 and the ticket fare is 100 in economy class. Shall I proceed with booking?

USER: Please proceed with altering my ticket.

ASSISTANT: Ok Laura Miller, your ticket booking has done and the flight number is 1017.

USER: Thank you for your help in altering my ticket.

ASSISTANT: Your reservation has changed successfully. Thank you for choosing us.