You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking the flight ticket from HOU to EWR?

ASSISTANT: Sure, may I know your name?

USER: My name is Elizabeth Miller.

ASSISTANT: Ok, please let me know your travel dates.

USER: My travel dates are 12/25 and 12/27.

ASSISTANT: Ok, do you have any preferences?

USER: I prefer to travel in normal-cost airlines.

ASSISTANT: Ok, is there any other requirements?

USER: Yes, I need a single connection.

ASSISTANT: Ok, please wait for a while.

USER: Take your time.

ASSISTANT: There is a flight available in Delta airlines as per your requirements and the ticket fare is 200 only in economy class. Is that ok for you?

USER: Please proceed.

ASSISTANT: Your ticket is booked with the flight-1007. Your flight departure time is at 9:00AM and arrival time is at 4:00AM.

USER: Thank you for the help.

ASSISTANT: You are welcome and thank you for choosing us.