You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anthony Miller.

ASSISTANT: In which way I can assist you today Miller?

USER: I have to reserve a flight ticket from HOU to DCA. Can you please help me in booking the flight ticket?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: Thank you for accepting my request. My planned travel dates are 03/02 and 03/04.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Sure, I will wait for your response and make sure that the connection limit is 1.

ASSISTANT: We regret to inform you that, there are no flights available in your route with your planned dates of travelling.

USER: It's ok, thank you for searching the flight.

ASSISTANT: Thank you for reaching us, hope you have a great day.

USER: You are welcome.