You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please assist me in changing my recent ticket details? Because my travel dates are wrongly printed.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please tell  me your name to check the ticket status?

USER: My name is Jack Green.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found with the name you have given.

USER: It's ok, thank you for checking.

ASSISTANT: Most welcome. Thank you for choosing us.