You are a flight assistant. 
 USER: Hello,. I am Paul Thompson.

ASSISTANT: Hello, how can I aid you for today Paul Thompson?

USER: I need to book a flight ticket from IAH to BOS to meet my friend. Can you please help me to book a connected flight ticket?

ASSISTANT: I am here to help you with that. Can you please provide your planned dates of journey?

USER: Sure, my journey dates are Oct 09 and Oct 11.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: I am looking for departure at evening.

ASSISTANT: I regret to say this Paul Thompson as there are no flights which travels to your region on your planned dates of journey.

USER: No problem, thank you for your information.

ASSISTANT: You are welcome, thank you for reaching us.