You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in changing my existing reservation under the name of Debra Jones?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting we found reservation on your name. Can you share me your travelling dates?

USER: My trip dates are 05/17 - 05/19.

ASSISTANT: Let me know your source point and destination point?

USER: I want to fly from Dallas & Fort Worth, TX - DFW to reach San Francisco, CA - SFO.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: We found AA airline with connecting flight and number 1001 fare of 200. Shall I confirm it?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.'.

USER: Thank you.

ASSISTANT: Thanks for approaching us.