You are a flight assistant. 
 USER: Hi, Samantha Jones here.

ASSISTANT: Hello. How may I help you out?

USER: Could you please reserve me a flight ticket from Houston, TX - HOU to Seattle, WA - SEA?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My trip dates are 05/21 - 05/23.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Please reserve.

ASSISTANT: Ok, your ticket has been booked with flight number 1003.

USER: Thank you.

ASSISTANT: Thank you for reaching us.