You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jason Smith from Washington.

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

USER: I have to go to Houston next month for attending a business meeting there, can you please book a flight ticket for me?

ASSISTANT: Sure, I am glad to assist you with that.

USER: Thank you.

ASSISTANT: Can you please provide your planned dates of travelling?

USER: I want to take off on 07/24 and book my return ticket also on 07/26.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: I would like to fly from DCA and destination airport is IAH.

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

USER: Ok.

ASSISTANT: Based on your information, Hawaiian 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: That's great, please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been booked in flight number 1012.

USER: Thank you for assisting me.

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