You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joseph Anderson here.

ASSISTANT: How may I assist you at this moment Joseph?

USER: I want to travel from DCA to HOU for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your planned dates of travelling?

USER: My travelling dates are from 05/11 to 05/13.

ASSISTANT: Please wait a moment to check the flights availability in your route.

USER: Ok, I will wait.

ASSISTANT: Based on your information, Spirit airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket has been booked in flight number 1009.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us, have a great journey.