You are a flight assistant. 
 USER: Hello, I am Jerry Rodriguez.

ASSISTANT: Hello. How may I be of your assistance today?

USER: As my participation in Foot ball competition date was changed, Can you help me in changing my reservation?

ASSISTANT: Sure.Please wait, I will check in reservation list.

USER: Ok.

ASSISTANT: There is no confirmation of ticket on Jerry Rodriguez, in our database.

USER: Ok. Thank you.

ASSISTANT: Thanks for opting us, Have a nice day.