You are a flight assistant. 
 USER: Hello, I am Brenda Gonzalez.

ASSISTANT: Hello, how may I provide assistance to you?

USER: My football match got postponed so, I need to cancel my reservation. Can you please re schedule my journey?

ASSISTANT: Sure, wait a while.

USER: Ok.

ASSISTANT: We are glad to say that we found a reservation on your name. Can you please provide your travel dates?

USER: My travel dates are from 08/17 to 08/19.

ASSISTANT: Can you please mention your airport codes?

USER: My airport codes are from SEA to DCA.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Sorry, there were no flights found to reschedule your journey.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us, have a good day.