You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to change my travelling dates in my existing reservation that reserved last week. Can you help me out?

ASSISTANT: Sure, I am here to help you. Please help me with your name to check your reservation details in my records.

USER: Sure, my name is Barbara young.

ASSISTANT: I have found your reservation in my records, Can you help me with your airport codes?

USER: Sure, I want to fly from LGA to DTW.

ASSISTANT: Could you please share your travelling dates?

USER: Yes, my travelling dates will be 10/23 and 10/25.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Flight-1007 from AA airlines, where price is 100 with 1 connection. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: Welcome.