You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Scott Parker here.

ASSISTANT: How can I assist you today?

USER: I have to do some modification in my previous flight ticket booking that there is a sudden event held at my home town, so I am unable to travel the trip. Can you please help me out with changing of my reservation?

ASSISTANT: Sure, I am glad to help you in modifying your reservation. Can you please be hold so that I can check your previous reservation status in our records.

USER: Thank you for taking my request into consideration. Take your time to check.

ASSISTANT: I really appreciate your patience.

USER: It's alright.

ASSISTANT: Sorry for inconvenience caused as there is no reservation found under your name in our records to amend it.

USER: Oh! It might not be done properly at the time of booking due to my server issue. Anyways, thank you for checking my previous reservation and letting me about that.

ASSISTANT: My pleasure Mr. Scott, please go through your mails for more information regarding it. Thank you for approaching us.

USER: Most welcome.