You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you?

USER: Can you please help me in changing my existing reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: On whose name, the reservation has been made earlier?

USER: I am Susan Hill.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time, we found a reservation in your name. Can you share me your new journey details?

USER: Ok. My journey codes are from PHL to HOU. My travelling dates are from 11/25 to 11/27.

ASSISTANT: Can you share me your trip dates? May I know your depart time and arrival time?

USER: I want to return in the evening.

ASSISTANT: Do you have any other preferences?

USER: I want a break in between my journey.

ASSISTANT: We found a connecting flight with fare of 200 and 1016 flight number. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your seat has been reserved with American Airlines in economy class and you will arrive in the evening time at 23:00 PM.

USER: Thank you for your support.

ASSISTANT: Thank you for choosing us.