You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be a help for you?

USER: I'm Betty Edwards. I need your help in booking a ticket from IAD to HOU, can you please help me?

ASSISTANT: Sure, I am delighted to help you. Can you please share your planned dates to travel?

USER: My travel dates are 07/17 and 07/19. I'm looking for a direct flight, please search accordingly.

ASSISTANT: There is a flight available on your requested dates from Jet blue airlines with 1 connecting flight. Shall I confirm your booking?

USER: I need direct flight only, please search for it.

ASSISTANT: Sorry, there is no direct flight available in this route on your requested dates.

USER: That's ok, thank you for your time.

ASSISTANT: Most welcome.