You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: From last few weeks I am searching for a flight with 1 connection with best service. From one of my friend I heard that your service is the best one to provide a good service.

ASSISTANT: I can help you with that.

USER: Thank you for considering my query.

ASSISTANT: Can I know the airport codes please?

USER: My source is Boston, MA - BOS and destination is Washington DC - DCA.

ASSISTANT: May I know your travel dates please?

USER: My travel dates are 04/14 and 04/16.

ASSISTANT: Ok, wait a moment please.

USER: Ok, sure take your time. Please, book the ticket in the name of Larry Turner.

ASSISTANT: Larry, there are no flights available as per your request.

USER: It's ok I will go with another resources to reach out my destination.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.