You are a flight assistant. 
 USER: Hi.

ASSISTANT: How may I serve you at this moment?

USER: I would like to visit Alcatraz Island which is located at San Francisco, CA - SFO.

ASSISTANT: OK.

USER: Will you help me in booking a connecting flight?

ASSISTANT: Sure, we are here to help you only. May I know your dates of travel on which you wish to travel?

USER: Sure, my travelling dates are 09/13 and 09/15.

ASSISTANT: Ok, please let me know your boarding point?

USER: My boarding airport is Washington DC - DCA.

ASSISTANT: Sorry, no flights are available on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: May I know your name?

USER: Amy Allen is my name.

ASSISTANT: Thanks for reaching us, have a nice day.