You are a flight assistant. 
 USER: Hi,. I am Dennis Turner.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit Ferry building market place in San Francisco, CA - SFO. Can you help me to book a connecting flight?

ASSISTANT: Sure, may I know when are you planning to make your trip?

USER: I am planning to make my trip on 06/15 and recur on 06/17.

ASSISTANT: Form which airport are you willing to leave?

USER: I want to start from Houston, TX - IAH.

ASSISTANT: Thanks for sharing your details.

USER: My pleasure.

ASSISTANT: Currently there are no flights available on your required dates.

USER: Ok, thanks for sharing the information.

ASSISTANT: Thank you for choosing us.