You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Richard Martinez.

ASSISTANT: I hope you are good today, how can I help you Richard?

USER: I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please share your preferred travel dates?

USER: Well, I will be travelling on 05/09 and return on 05/11.

ASSISTANT: From which airport you want to travel to Washington?

USER: I have chosen to start from DCA as I had a heard it is a good airport to travel.

ASSISTANT: Sure, may I know your preferred destination airport code please?

USER: I will be ending my trip at DTW.

ASSISTANT: Please wait a while, I will check and inform you.

USER: Sure, I will be stand by.

ASSISTANT: I am happy to inform you, there is a flight with connection limit 0 and fare 100, is it ok for you?

USER: No don't book, because I need a connecting flight. Thank you for checking.

ASSISTANT: Please wait a while, I will check once.

USER: Sure, it will be helpful.

ASSISTANT: There is no flight with connection limit 1.

USER: No issue, I will try with other alternative.

ASSISTANT: Ok.

USER: Anyway, thank you for your quick response.

ASSISTANT: Thank you for opting us. Have a safe journey.