You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Myself Daniel Martin here. I want to visit space center at Houston, can you please help me to book a ticket from DCA to HOU?

ASSISTANT: Sure, may I know your travelling dates?

USER: Yes, my preferable dates of trip is from 12/14 to 12/16.

ASSISTANT: Ok, wait for a minute.

USER: Sure, please make sure that price is 200.

ASSISTANT: Yes Martin, I found a flight-1002 with Jet Blue airlines, can I proceed?

USER: Ok, please proceed with this flight ticket.

ASSISTANT: Yes, your ticket is confirmed.

USER: Thank you for your help.

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

USER: Welcome.