You are a flight assistant. 
 USER: Hi, I am Jessica Smith.

ASSISTANT: Hello Smith. How can I help you?

USER: I need to book a ticket from HOU to meeting my brother in DFW.

ASSISTANT: Can I know your travel dates?

USER: May Travelling dates are 12/08 and 12/10.

ASSISTANT: Ok, give me a minute.

USER: Sure.

ASSISTANT: The flight 1009 of Delta airlines is available on your requested dates. Shall I book the ticket?

USER: You can proceed with booking.

ASSISTANT: Your ticket is booked.

USER:  Thank you for booking.