You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Susan Wright.

ASSISTANT: Susan, how may I help you?

USER: Can you please help me in changing my recent reservation which I was reserved in the month of December?

ASSISTANT: Sure, please give me a moment to check your ticket status. Sorry Susan, no reservation is available on your route.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for contacting us.