You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Sarah Parker.

ASSISTANT: How may I help you? Glad to meet you Sarah Parker.

USER: Can you please help me in booking a flight ticket from HOU to IAD locations?

ASSISTANT: Sure, may I know your travel dates to get a flight for you?

USER: My travelling dates are from 03/02 and 03/04. Make sure that I nee a direct flight.

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there is no direct flight on your route.

USER: It's ok. Thank you for the information.

ASSISTANT: Welcome Sarah Parker, have a good day.