You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Stephen Mitchell.

ASSISTANT: How may I assist you? Nice to meet you Stephen.

USER: My cricket match got postponed, can you please help me in changing the reservation?

ASSISTANT: Sure, I will help you in change of flight reservation? Please wait.

USER: Ok.

ASSISTANT: Thanks for your time. I could not find your flight reservation on your name to change it.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.