You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, I will help you. Can you please tell me your travel dates?

USER: I am travelling on these dates Dec 27th and 29th.

ASSISTANT: Ok, please tell me your connection limit preference.

USER: I need single connected flight.

ASSISTANT: Do you have any other preferences?

USER: I don't have any other preferences.

ASSISTANT: Ok, may I know your full name please?

USER: Eric Evans here.

ASSISTANT: The Delta airlines is providing the direct flight with the ticket fare of 200. Can I proceed with the ticket booking?

USER: Ok, you can proceed.

ASSISTANT: I have booked your ticket with the flight-1000. Have a nice journey.

USER: Thank you for your services.

ASSISTANT: You are welcome. Thank you for reaching us.