You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, can you please share your journey dates?

USER: My travel dates are Oct 02 and Oct 04.

ASSISTANT: Are you looking for any preferred connections?

USER: Yes, I prefer connecting flight for this trip.

ASSISTANT: Do you have any other specifications to be met?

USER: I would like to depart in the evening time.

ASSISTANT: Can I have your name to proceed further?

USER: I am Sharon Garcia.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.