You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Due to my health issue, I need to change my reservation. I am Susan Hall.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: I am glad to inform we found a reservation with your name, for proceed further can you please provide new reservation details?

USER: It would be from Boston, BOS on 03/23 to Austin AUS on 03/25.

ASSISTANT: Your airline is Delta flight number 1026 with price 100 and connection limit one.

USER: Yes, You can proceed.

ASSISTANT: Your booking is confirmed with Delta airlines.

USER: Thank you for your service,.

ASSISTANT: Thanks for reaching us, have a good day.