You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Ryan Gonzalez.

ASSISTANT: How may I be your helping hand today?

USER: I am planning to visit Dallas arboretum & botanical garden in Dallas & Fort Worth, TX - DFW. Can you assist me to book a connecting flight?

ASSISTANT: Sure, may I know your takeoff airport code?

USER: I want to take off from Boston, MA - BOS.

ASSISTANT: Could you please assign your travelling dates?

USER: I want to fly on 09/10 and recur on 09/12.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights available on your requested dates.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your service.