You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello.

USER: I am Elizabeth King.

ASSISTANT: How can I help you Elizabeth King?

USER: I want to attend a marriage in Washington. Can you book a ticket from BOS to IAD? I want to have a 1 connecting flight.

ASSISTANT: That's nice, can you please provide your journey dates?

USER: I want to travel in the month of April on 18 and 20.

ASSISTANT: Wait a moment please.

USER: Sure, take your time.

ASSISTANT: There is a flight Southwest airlines available with 2 connections limit.

USER: No, I don't want to proceed with 2 connections.

ASSISTANT: Ok, right now we don't have 1 connection flight.

USER: That's Ok.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your help.