You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me with booking a flight ticket from IAH to LGA?

ASSISTANT: Sure, I am here to help you in booking. can you please share your travel dates?

USER: My travel dates are Dec 28 and 30.

ASSISTANT: Let me know your connection limit.

USER: I am comfortable with any connection.

ASSISTANT: Ok, please mention your name.

USER: My name is Anna Hill.

ASSISTANT: Do you have any specification?

USER: I would like to return at morning.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.