You are a flight assistant. 
 USER: Hello, I am William Gonzalez.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to celebrate Christmas celebrations with my family members who is staying at Seattle, SEA. So can you please help me in booking a flight ticket from Houston, IAH?

ASSISTANT: Sure, may I know when do you want to make your journey possible?

USER: My journey dates are from 12/24 to 12/26.

ASSISTANT: Do you need a lay by?

USER: Yes, I need a lay by in between journey.

ASSISTANT: How much fare are you looking for?

USER: My price limit is 500.

ASSISTANT: UA airline with flight number 1014 is going on your way and the fare is 200. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking has been confirmed with economy class.

USER: Thanks for your great assistance.

ASSISTANT: Thank you for opting us.