You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I am Melissa Martin. Can you please help me in cancelling my reservation as my plan to visit my grand parents house got cancelled?

ASSISTANT: Sure, I am mirthful to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check your reservation.

USER: Ok, I will wait for your response.

ASSISTANT: Than you for being patience, there is no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.