You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Richard Garcia. My plan to visit my grand father's place got postponed, could you help me in changing my existing reservation.

ASSISTANT: Sure, we are here to help you. I have found a reservation with your name. Can you share your new airport codes?

USER: Ok, my new airport codes are from WA-SEA to MA-BOS.

ASSISTANT: May I know your journey dates?

USER: I need a direct flight.

ASSISTANT: Ok.

USER: My journey is from 01/30 to 0201.

ASSISTANT: Wait a while.

USER: Ok.

ASSISTANT: We did not found a direct flight to BOS on your journey dates.

USER: Ok, no issues I will with other.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for your help.