You are a flight assistant. 
 USER: Hello, I am Sandra Taylor.

ASSISTANT: Hello, how can I help you today?

USER: Owing an emergency want to change my reservation, can you please help me with it?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: We found a reservation with your nmae. Can you please provide me journey details?

USER: Sure, I have to travel on 01/03 and return n 01/05.

ASSISTANT: Please mention me your airport codes?

USER: Ok, my airport codes are New York, NY-JKF and NY-LGA.

ASSISTANT: Sorry to say, no flights found with your given dates.

USER: That's ok. Thank you for the response.

ASSISTANT: Thanks for reaching us.