You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anna Smith.

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

USER: I need to reach Chicago to explore new things about Statue of Liberty, can you help me to book a connecting flight?

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: On which dates you are willing to travel?

USER: My journey dates are 06/16 to 06/18.

ASSISTANT: Do you have any other specifications?

USER: My fare is 500.

ASSISTANT: Please share your preferred airport codes.

USER: I will start from DCA and destination is ORD.

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

USER: Sure, I will stand by.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for choosing us. Have a nice day.