You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I am Rebecca Walker want to visit DCA, can you book a ticket from HOU?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable departure and return dates of travelling?

USER: Sure, my travelling dates will be 05/27 and 05/29.

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

USER: Ok.

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 Hawaiian airlines. Shall I proceed with this?

USER: Ok, proceed with my booking.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1005.

USER: Thank you.

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