You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brenda Harris.

ASSISTANT: How can I help you?

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: Brenda Harris, I am here to help you for this. Let me check your reservation status in our database.

USER: Ok.

ASSISTANT: Brenda Harris sorry to inform, no reservation is found with your criteria.

USER: No issue. Thank you.

ASSISTANT: Thank you very much for utilising our agency.