You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Elizabeth Lopez.

ASSISTANT: What service that you are looking from our agency?

USER: There is a urgent business meeting at Houston. Can you please help me in booking the ticket from IAD to HOU?

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

USER: I will take-off 03/21 and again I will be return back on 03/23.

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

USER: Sure.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by JetBlue airlines. Shall I proceed with this?

USER: Yes, please proceed with that.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1000.

USER: Thank you very much for reserving the ticket.

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