You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Roberts.

ASSISTANT: How can I assist you?

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

ASSISTANT: Ok Frank, please give me a minute. I will search for the status of your reservation.

USER: Sure, take your own time.

ASSISTANT: There is no reservation found with your details.

USER: Oh! May be something went wrong while booking the ticket previously. Anyways, thank you for guiding me.

ASSISTANT: Thank you for contacting us.