You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to celebrate my birthday with my family. Can you book my ticket from SEA to HOU?

ASSISTANT: Sure, I am ready to help you. Can you please share your journey dates?

USER: My planned travel dates are 01/26 and 01/28.

ASSISTANT: May I know your connection limit?

USER: I want direct flight only.

ASSISTANT: Do you have any specifications?

USER: My return time must be in afternoon only. No more specifications please.

ASSISTANT: May I know your name?

USER: Sure, Donna Davis here.

ASSISTANT: Here, there is a direct flight in Delta airlines and price is 300. Shall I book?

USER: Yes, you can proceed with that one.

ASSISTANT: Ok, your ticket has been booked with the flight 1023.

USER: Thank you for the booking.

ASSISTANT: Thank you for reaching us.