You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I would like to book a ticket from IAD to IAH, can you please help me out?

ASSISTANT: May I know your planned dates?

USER: I am travelling on these dates Dec 14th and 16th.

ASSISTANT: Do you need a connecting flight?

USER: I need single connected flight.

ASSISTANT: Ok, please mention your good name.

USER: Frank Anderson here.

ASSISTANT: May I know your other specifications?

USER: I don't have any other specifications.

ASSISTANT: Frank Anderson, I found a flight-1000 which is available for you with 1 connection by Delta Airlines with economy class with depart time at 8:00 hours and return time at 19:00 hours. Can I book it for you?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is reserved, thank you for choosing us.

USER: Thank you for your services.

ASSISTANT: Have a safe journey ahead.