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

ASSISTANT: Hello Miller, how may I help you today?

USER: I had planned to attend an event, but it was postponed.

ASSISTANT: Oh!.

USER: Can you change my existing reservation?

ASSISTANT: Sure. I will check for the existing reservation, please wait a moment. I found a reservation with your name.

USER: Sure.

ASSISTANT: Can you please tell me your changed travel dates?

USER: I want to fly on 06/29 and 07/01. I want to have a 1 connecting flight.

ASSISTANT: And your travelling airport codes please?

USER: I want to travel from PHL to MCO.

ASSISTANT: Ok, please wait a while.

USER: Sure.

ASSISTANT: Ok, there is a flight found with your details and requirements, the airlines is Southwest with flight number 1001.

USER: Ok, proceed with booking.

ASSISTANT: Ok, your ticket is confirmed successfully, have a safe journey.

USER: Thank you for helping me out.

ASSISTANT: It's my pleasure. Thank you for consulting us.