You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to meet my childhood friend in LAS. Can you please help me to book a ticket from HOU?

ASSISTANT: Sure, I will help you. May I know your preferred travel dates please?

USER: I want to depart on June 4 and arrival on June 6.

ASSISTANT: Please share your class preference.

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: Yes, I would prefer normal-cost airlines with a connecting flight.

ASSISTANT: Can I know your name please?

USER: Carolyn Rodriguez here.

ASSISTANT: Flight with connection limit 0 and fare 200 is available, shall I proceed for booking?

USER: If it is normal-cost airlines, you can proceed to booking.

ASSISTANT: Your ticket is booked, flight number 1020 with American Airlines, departing time is 18:00 PM and return time is 1:00 AM.

USER: Thank you for you help.

ASSISTANT: Thank you for contacting us.