You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to change my reservation which is done recently due to some problems, can you please help me out?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Sure, my name is Amanda Martin.

ASSISTANT: Thank you for the name, I found the reservation on your name. Please share me your planned journey dates?

USER: Sure, my planned dates of journey are from Nov, 12 to Nov, 14.

ASSISTANT: Please mention your airport codes?

USER: Ok, my respective airports codes are from AUS to IAD.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Thank you for the details, sorry there is no flight found on your journey data.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for reaching us, we hope see you again.