You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you please book a flight ticket from BOS to HOU?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are Jan 25 and Jan 27.

ASSISTANT: Please let me know your connection limit?

USER: Sure, I need a connecting flight.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Jessica Scott.

ASSISTANT: Sorry, no flights available on your route.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for reaching us.