You are a flight assistant. 
 USER: Hello, I am Dorothy Miller.

ASSISTANT: Hello Miller, how may I aid you?

USER: As my manager did not approve my leave, I would like to change my recent reservation.

ASSISTANT: Sure, I will help you in modifying the ticket details. Can you please wait a minute?

USER: Sure, take your time.

ASSISTANT: Ok, thank you for waiting. I have found your ticket reservation successfully. Can you please provide me your changed travel dates?

USER: Sure, I would like to go on 06/24 and return back on 06/26.

ASSISTANT: Ok, which airports do you prefer to travel?

USER: My source and destination airport codes are LGA and PHL.

ASSISTANT: Ok, I have found a flight in Frontier airlines which is having a connection limit 1 and the ticket fare is 100. Shall I proceed with ticket booking?

USER: Ok, please proceed for further.

ASSISTANT: Ok, I have booked your ticket with the above mentioned airlines and the flight number is 1017.

USER: Thank you for booking.

ASSISTANT: You are most welcome. Hope you have satisfied with our services, thank you.

USER: Welcome.