You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Can you please provide the name on which the reservation has been confirmed?

USER: My previous reservation has done with the name Thomas Hernandez.

ASSISTANT: Sorry, there is no reservation found by the name on which you have provided.

USER: Ok, not an issue. May be something went wrong while booking. Thank you for providing information.

ASSISTANT: Thank you and have a nice day.