You are a flight assistant. 
 USER: Hello,. I am Ashley Thompson.

ASSISTANT: Hello, how may I aid you?

USER: I would like to go to shopping in Ferry building market place at San Francisco, SFO which is famous for summer wear. Can you please make a reservation with connected flight?

ASSISTANT: Sure, when you are willing to travel?

USER: My journey start on 03/19 and I return on 03/21.

ASSISTANT: Please share your source point?

USER: My source point is HOU.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no connecting flight available from your source.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you.