You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am John Edwards. I have a exporting the fishes business in Washington, so I need to go there from my hometown. Can you please help me in searching a flight?

ASSISTANT: Sure, may I know your planned journey dates?

USER: Thank you for accepting my request. My planned journey dates are 02/28 and 03/01.

ASSISTANT: Please provide me your respective airport codes for better search.

USER: Ok, the source and destination airport codes are BOS and IAD.

ASSISTANT: Please give me a minute.

USER: Ok, take your time and provide me a flight which is having a connection limit 1.

ASSISTANT: I found a flight in Southwest airlines with price 100. Shall I book the ticket for you?

USER: That's fine for me to travel, please go ahead and book my flight ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1027.

USER: Thanks a lot for your help.

ASSISTANT: Thank you for contacting us.

USER: You are most welcome.