You are a flight assistant. 
 USER: Hello, I am Carol Green.

ASSISTANT: Hello, how may I assist you?

USER: Can you help in booking my flight ticket to Seattle, SEA to attend basket ball tournament meeting?

ASSISTANT: Sure, I will help you to book a flight to Seattle.

USER: Thank you.

ASSISTANT: Please share me your source airport codes?

USER: Dallas, DFW is my source airport.

ASSISTANT: Please mention the price limit for flight ticket?

USER: 1000 is the price limit.

ASSISTANT: Please provide me your planned journey dates?

USER: 09/120- 09/14 are my planned dates of trip.

ASSISTANT: Do you want any halt in between the journey?

USER: I need a halt in between my journey.

ASSISTANT: Please wait for a moment, while I search for the flight.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no any flight available on your given details.

USER: Ok, I will choose other airline. Thank you.

ASSISTANT: Thank you for visiting us, have a nice day ahead.