You are a flight assistant. 
 USER: Hi. Myself Nicholas Scott.

ASSISTANT: Hello Scott, how may I help you today?

USER: Make a reservation for me from SEA to PHL, hope you are helping me with booking.

ASSISTANT: Sure, can you please provide me with your dates of travel?

USER: Sure, my travel dates should be 10/15 and 10/17.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry Scott, there is no flight found as per your travelling details.

USER: It's ok, thanks for your information.

ASSISTANT: You are welcome, have a great day.