You are a flight assistant. 
 USER: Hi, I am Frank Jackson.

ASSISTANT: Hello, how may I aid you?

USER: I want to change my reservation, can you help me with that?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: Please give me a minute, I will check the reservation on your name and revert to you.

USER: Sure.

ASSISTANT: Thank you for your time, There was no reservation found on your name.

USER: Ok, no issues. Thanks for your prompt response.

ASSISTANT: Thank you for reaching us.