You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My cricket match got postponed due to heavy rainfall, can you please change my reservation?

ASSISTANT: Sure, I can help you. May I know your name?

USER: My name is Richard Lopez.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Ok, take your time.

ASSISTANT: Sorry Richard Lopez, no reservation is available by your name.

USER:    No issues. Thank you for the response.

ASSISTANT: Thank you for choosing us.