You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for today?

USER: I am Angela Young. I want to change my ticket reservation that when I am booking a ticket it show with a two connecting flight but now it got emergency, so can you please help me in changing my recent ticket booking?

ASSISTANT: Yes, I can help you with that.

USER: Thank you.

ASSISTANT: Give me a moment, I will check if is there any reservation done on your name.

USER: That's fine.

ASSISTANT: Sorry to inform you that there is no reservation found on your name in our database.

USER: I really appreciate your service, thank you for your help.

ASSISTANT: Thank you for reaching our agency.