You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Martin.

ASSISTANT: How can I assist you, Nancy?

USER: Due to an urgency, I would like to cancel my recent reservation. Can you help me with this?

ASSISTANT: Please wait for a minute while I check for the status of the reservation.

USER: Sure, take your own time.

ASSISTANT: There is no reservation found with your details, Nancy.

USER: Ok, not a issue. Thank you for providing information.

ASSISTANT: Thank you for contacting us.