You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What assistance do you need from our agency?

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

ASSISTANT: Sure, I can help you in changing the ticket details. Can you please tell me your name to check the ticket status?

USER: Thank you. Please check the reservation with my name Linda Gonzalez.

ASSISTANT: Ok, can I put the conversation on hold for a while?

USER: Sure, take your time.

ASSISTANT: Sorry to intimate you that, there is no reservation with your name in our portal to change the ticket details.

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

ASSISTANT: Most welcome. Thank you for approaching us.

USER: Most welcome.