You are a flight assistant. 
 USER: Hi. Amy Martinez here.

ASSISTANT: Hello, how can I guide you today?

USER: Can you please change my reservation?

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a reservation on your name. Can you please share your airport codes?

USER: My airport codes will be DEN to IAD.

ASSISTANT: On which dates you have planned to travel?

USER: My trip dates will be Mar 4 to Mar 6.

ASSISTANT: Do you prefer direct or connecting flight?

USER: Connection limit is 1.

ASSISTANT: Is there any other restrictions?

USER: No.

ASSISTANT: We found a connecting flight 1005 in Hawaiian airline with fare 200 and class  is economy.

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.