You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to change my reservation, can you please help me in changing the reservation?

ASSISTANT: Sure, I am here to help you. Please give me a minute I will check the status and get back to you.

USER: Ok.

ASSISTANT: For that  please share your name.

USER: I am Jennifer Miller.

ASSISTANT: Thank you for providing your name, sorry to say no reservation found on your name.

USER: No issues. Thanks for your response.

ASSISTANT: Thank you for reaching us, have a nice day.