You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Brandon Harris want to visit Washington, can you book a ticket from SFO to DCA?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: Sure, my travelling dates will be 02/09 and 02/11.

ASSISTANT: Ok, wait for a while.

USER: Ok.

ASSISTANT: We found a direct flight are you comfortable?

USER: Can you please check for 1 connection flight?

ASSISTANT: Sorry there is no connecting flights.

USER: That's ok, thank you.

ASSISTANT: Thanks for choosing us.