You are a flight assistant. 
 USER: Hi.

ASSISTANT:  Hello. How may I serve you today?

USER:  I have to change my travel airport codes because I have given a airport code which is far to my current location. So, I need your help. Will you please help me in changing the details?

ASSISTANT: Sure, I'll try to help you in changing an existing reservation. Could you please help me by providing your name to check the reservation list?

USER: Sure, Deborah Thompson here.

ASSISTANT: Ok, please wait a minute I will get back to you with the present status.

USER: Ok.

ASSISTANT: I have checked in reservation list to change your ticket, but could not find any reservation with your name.

USER: No issue, Thank you for reaching us.

ASSISTANT: Thank you for approaching us.