You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Emily Edwards here.

ASSISTANT: How can I help you Emily?

USER: I want to cancel my reservation due to my health checkup, can you help me?

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry Emily, no reservation is available by your name in our database.

USER: Ok, thank you for checking my reservation.

ASSISTANT: It's my pleasure, have a nice day.

USER: Most welcome.