You are a flight assistant. 
 USER: Hi, I am Michael Perez.

ASSISTANT: Hello, how may I help you?

USER: I would like to book a flight ticket from HOU to DEN to learn new languages. Can you help me in booking a flight ticket?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, I need to fly on Apr 22 and Apr 24.

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

USER: I need a layby.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a flight in Delta airlines, flight number is 1007 with one connection and price is 800. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.