You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Margret Thompson here.

ASSISTANT: How can I assess you at this time?

USER: I want to visit my brother who lives in DCA, can you please find a flight from BOS?

ASSISTANT: Sure, may I know your airborne and return trip travel dates?

USER: My travelling dates will be from 05/14 to 05/16.

ASSISTANT: Just be on hold for a while to search for the flight on your details.

USER: Ok, please check for 1 connection flight.

ASSISTANT: Sorry, there is no flight for you to book the ticket to travel to your location.

USER: Oh! That's very sad to hear from your side. Anyways, thank you for checking.

ASSISTANT: It's my pleasure and thank you for reaching us.

USER: You are most welcome.

ASSISTANT: Have a nice day.