You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I have planned to go for round trip but my mother is not feeling well, so can you please cancel my recent reservation?

ASSISTANT: Ok, may I know your name to check for the previous reservation in our data base?

USER: My ticket is reserved in the name Nicole Baker.

ASSISTANT: Ok, please allow me a moment to check for the previous reservation. Nicole, there is no reservation found under your name.

USER: Ok, fine thank you for your information.

ASSISTANT: You are welcome. Thank you for contacting us.