You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I iad you?

USER: Myself Melissa Edwards, can you help me to change my reservation I did recently?

ASSISTANT: Sure, give me a minute.

USER: Ok, I will wait.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Ok, I will check with the mails to know about the reservation status. Thank you for the information.

ASSISTANT: Thank you for opting us.