You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am looking for a direct flight from IAH to BOS, please help me to book my flight ticket.

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: I will depart on Dec 28th and return back on Dec 30th.

ASSISTANT: Are you looking for any time concern at the time of take off and for your return journey?

USER: Any time is fine for me.

ASSISTANT:  If you can help me with your name, I can check with the availability of flights.

USER: My name is Michelle Parker.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes.

USER: Sad to hear that. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.