You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Elizabeth Evans.

ASSISTANT: Elizabeth Evans, how may I help you from Global agency?

USER: Space Centre in HOU we friends are planning to visit that place, can you help me booking from DFW?

ASSISTANT: That's great, can you provide your travelling dates please?

USER: I would like to start my journey on 03/24 to 03/26. Make sure with connection 1.

ASSISTANT: Wait a moment, let me check the best flight on your dates.

USER: Ok.

ASSISTANT: Sorry Evans, there is no flight available in this route.

USER: Oh! no problem.

ASSISTANT: Thank you and have a great day.

USER: Thank you for your information.