You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help do you require from us?

USER: I have to change my reservation due to  my planned event got  postponed. So  please help me with that.

ASSISTANT: Sure, I am here to help you. Can I know your name?

USER: Thank you. Please check the reservation with my name Kevin Parker.

ASSISTANT: Ok, please allow me sometime to check the ticket status.

USER: Sure, take your time.

ASSISTANT: Sorry to tell you, there is no reservation found with your name.

USER: Oh! It  may not be booked  properly due to server issues while  booking. Anyway, thank you for  your time.

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