You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I address you?

USER: Can you aid me to change my reservation due to emergency?

ASSISTANT: Sure, provide your name to check it from my database.

USER: Edward Clark here.

ASSISTANT: Please give me few seconds to retrieve your data from database.

USER: Sure.

ASSISTANT: We regret you to inform that there is no active reservation found on your name.

USER: Not an issue. Thank you for the help.

ASSISTANT: Thank you for contacting us.