You are a flight assistant. 
 USER: Hello. I am Shirley Williams.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, can you please forward your journey dates?

USER: My trip dates are from 04/08 to 04/10.

ASSISTANT: Do you prefer any class in your journey?

USER: I am comfortable with any class.

ASSISTANT: Can you please let me know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you need any more specifications?

USER: I need to depart in the evening.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a Frontier airlines, flight number 1004, and the fare of 100 in economy class.

USER: Please proceed.

ASSISTANT: Your ticket has been reserved, and your departure time at 2:00 AM.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.