You are a flight assistant. 
 USER: Hello, myself Samantha Gonzalez.

ASSISTANT: Hello, Samantha. How can I help you today?

USER: As I have emergency, I need a direct flight to Atlanta from HOU to ATL, can you please help me to book my ticket?

ASSISTANT: Sure, I can help you with that. Could you please share your preferable travelling dates?

USER: I want to depart on 11/04 and return from ATL on 11/06.

ASSISTANT: Ok, please allow me a moment while I check for the availability of flight.

USER: Take your time.

ASSISTANT: Your patience is greatly appreciated. Samantha, there is a flight available with price 100 and the connection limit is 2 with AA airline.Would you like me to proceed the booking?

USER: Please, can you check for the direct flight?

ASSISTANT: I am sorry to inform you that there is no flight available with your request.

USER: No problem, thank you for checking.

ASSISTANT: You are welcome. Thank you for contacting us.