You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Yes, can you help me to change the flight ticket I did recently?

ASSISTANT: Sure, I am here to help you out with that. May I know your name to check your previous reservation status?

USER: Ok, please check in your records for the name Alexander Jones.

ASSISTANT: Ok, please be on hold for a moment.

USER: Ok, please take your own time. I will wait.

ASSISTANT: Sorry Jones, we couldn't find any reservation under your name in our records.

USER: That's ok, not a problem. I will check my mails for more information. Thank you for assisting me.

ASSISTANT: Thank you for choosing us.