You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Andrew Robinson.

ASSISTANT: Ok.

USER: Can you please book me a ticket with the fare of 5000.

ASSISTANT: Sure, please provide me your journey dates.

USER: I would like to leave between 09/14 and 09/16.

ASSISTANT: May I know your source and destination?

USER: My preferable airport codes are from DFW to EWR.

ASSISTANT: Let me know your connection limit.

USER: I need one connection limit.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a Southwest airline, flight number: 1000, price: 100 with one connection.

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thanks for opting us.