You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Pamela Lewis. Due to a medical emergency, I was unable to attend the interview. Could you help me in changing the reservation to next available interview dates?

ASSISTANT: Sure, please give me a minute. Sorry, there is no reservation found under your name.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your time.

ASSISTANT: You are welcome.