You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Angela Johnson. I would like to visit Washington National Cathedral to attend a wedding party. Can you book a ticket from TX-IAH to DC-IAD?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 05/29 and 05/31.

ASSISTANT: We found a direct flight.

USER: Ok, do not proceed.

ASSISTANT: Ok. Thank you.

USER:  Thank you for your help.