You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Amy Roberts. I want to change my travel dates in my previous reservation so can you please help me with that?

ASSISTANT: Sure, please wait a moment.

USER: Ok, thank you.

ASSISTANT: We found a reservation on your name, can you please share your travel dates?

USER: I want to take off on 05/31 and please confirm my return ticket also on 06/02.

ASSISTANT: May I know your airport codes?

USER: I want to fly from DEN and destination airport is AUS.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found an airline UA with flight number 1011 having a fare 100 with halt. Shall I proceed with booking?

USER: Please confirm this flight ticket for me.

ASSISTANT: Your booking has been processed.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.