You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Raymond Wilsaon.

ASSISTANT: How can I assist you now?

USER:  I want to change my ticket reservation that when I am booking a ticket it show's with a 2 lay by flight in my journey but due to an emergency, I need a 1 lay by flight to reach my terminus region, so can you please help me in modifying my recent ticket booking?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait for your reply.

ASSISTANT: Sorry Raymond Wilson, no reservation has found under your name to change.

USER: Not an issue with that one, thank you for your help in searching and providing your information.

ASSISTANT: Thank you for choosing us, have a good day.