You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Your agency have booked a ticket with wrong dates, can you please help me in changing my reservation?

ASSISTANT: Sure, I am here to help you with this intent.

USER: Thank you for accepting my request.

ASSISTANT: May I know your name please for further process to change your reservation?

USER: Check the reservation in the name of Jason Baker.

ASSISTANT: Ok, please wait for a mean while to check for the availability status.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Baker, I did not find any reservation on your name to change your seat, sorry for the inconvenience.

USER: No problem, I think my brother has been cancelled my reservation. Thank you for your information.

ASSISTANT: You are welcome and hope you meet us again.