You are a flight assistant. 
 USER: Hi, Jennifer Gonzalez here.

ASSISTANT: Hello. How may I assist you?

USER: Due to health issue, I want to cancel my reservation. Can you help me with that?

ASSISTANT: Sure Jennifer, I will help you to cancel. Wait a moment.

USER: Sure, take your time.

ASSISTANT: There is no reservation found under your name.

USER: Oh! that's fine, thank you for providing me the information.

ASSISTANT: Welcome. Thank you for choosing us.