You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: This is Catherine Thomas, can you help me to book a flight ticket from HOU to IAH?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My preferable journey dates are May 28 and May 30.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I would like to return in the morning time.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I prefer connecting flight for this trip.

ASSISTANT: We found Spirit airline with price 200 and economy class and flight number is 1027 with arrival time is 6 AM and departure time is 13 PM.Shall I proceed for booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome.