You are a flight assistant. 
 USER: Hi, I am Ruth Thompson.

ASSISTANT: Hello, How can I serve you the day?

USER:  I want to update my trip dates as my meeting got postponed. Please help me in changing reservation.

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, while I check the status of your reservation.

USER: Ok.

ASSISTANT: Thanks for the time. There is no active reservation found, on your name, to change it.

USER: Ok, no issues. Thanks for your help and support.

ASSISTANT: Thank you for reaching us, with a query.