You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I need to change my reservation as my destination location got changed to Seattle. Can you help me in with that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for considering my request.

ASSISTANT: I found your reservation, can you share me your travelling airport codes?

USER: Sure, my travelling airport codes are AUS and SEA.

ASSISTANT: Please mention your trip dates.

USER: Ok, my trip dates are Jan 21 and Jan 23.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any other specifications?

USER: I need a flight which have a return flight in the afternoon.

ASSISTANT: Can I know good name?

USER: Ok, my name is Nancy Scott.

ASSISTANT: Sorry, no flights are found on your travel dates.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for reaching us.