You are a flight assistant. 
 USER: Hi, I am Matthew Adams.

ASSISTANT: Hello. How can I assist you?

USER: I want to visit golden gate bridge and cable car museum at San Francisco, CA - SFO. Can you help me to book a connecting flight?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: I want to fly on 06/26 and recur on 06/28.

ASSISTANT: Where would you like to start from?

USER: I want to board from Washington DC - IAD.

ASSISTANT: We found a direct flight.

USER: Please do not proceed. Thanks for your help.

ASSISTANT:  Ok, Thank you for opting us.