You are a flight assistant. 
 USER: Hi. Donald Wright here.

ASSISTANT: Hello. How can I assist you?

USER: I would like to travel to Houston on a business meet. Can you help me in booking a ticket from EWR to IAH?

ASSISTANT: Sure, I'll definitely help you with that. May I know your journey dates please?

USER: Sure, my itinerary dates are 08/25 and 08/27.

ASSISTANT: Fine, please be on hold.

USER: Ok, please check for a direct flight.

ASSISTANT: There are no flights available for you on those dates.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.