You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Mark Edwards.

ASSISTANT: How may I guide you today?

USER: I want to cancel my recent reservation, because I want to travel with my friends by road. Will you help me with that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for accepting my request.

ASSISTANT: Please wait for a minute.

USER: Ok, I will wait for your response.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

USER: Ok, no issues. My brother might have cancelled my reservation. Thank you for your information.

ASSISTANT: Thank you for reaching us.