You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking a flight ticket from BOS to DFW?

ASSISTANT: Sure, can I know your travelling dates?

USER: I want to travel on 02/05, and return on 02/07.

ASSISTANT: Do you need a connecting flight?

USER: I need a break in my journey.

ASSISTANT: May I know your other preferences?

USER: I am comfortable with above requirements.

ASSISTANT: May I know your name?

USER: I am Matthew Martin.

ASSISTANT: Sorry, there are no flights available on your travelling dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for choosing us.