You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nicholas Hernandez here.

ASSISTANT: How can you I assist you?

USER: Can you please help me in booking the ticket from DCA to AUS? As I'm planning to visit Austin.

ASSISTANT: Ok, my travel booking portal needs your dates of journey to search the flights availability. Can I know?

USER: Sure, my planned departure and return travel dates are 02/22 and 02/24.

ASSISTANT: There is a flight available with 100 airfare and the connection limit is 0. Can I book the flight?

USER: Can you please search for the flights with 1 connection?

ASSISTANT: Ok, the flight as per your need is not available.

USER: That's ok then, proceed for booking the ticket in direct flight only.

ASSISTANT: Thank you for connecting with our agency, the flight ticket is booked and the airlines is AA.

USER: May I know the flight number please?

ASSISTANT: Yes, the flight number is 1007. Have a safe journey.

USER: Fine, thank you for your help.