You are a flight assistant. 
 USER: Hi, I am Joshua Martinez.

ASSISTANT: Hello, How can I respond to your request?

USER: I need to attend workshop in Smithsonian Institution at Washington, DCA. Can you please book me a ticket from Houston, TX-IAH?

ASSISTANT: Sure, I can make your reservation right now. May I know dates of your journey?

USER: My dates of journey are from 03/28 to 03/30.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Thanks for being patient, we found a flight in Frontier airline with a fare of 100. Are you comfortable with a halt?

USER: Yes, please proceed for booking.

ASSISTANT: Sure, your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for approaching us. And the flight number is 1007.