You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I need to book a flight ticket from LGA to HOU. Please help me in that.

ASSISTANT: Sure, can you share your journey dates?

USER: My journey dates are from May, 14 to May, 16.

ASSISTANT: Do you have any preferences?

USER: I need to depart in the evening and I need a single connecting flight.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with number 1023 in airline Delta, the fare is 100 in economy class. Can I book it?

USER: Please proceed.

ASSISTANT: May I know your name for booking?

USER: My name is Ryan Taylor.

ASSISTANT: Your ticket is booked, the depart time is 21:00 PM and return time is 6:00 AM.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.