You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Melissa Martinez.

ASSISTANT: How can I aid you?

USER: Please book a flight ticket from Boston, MA-BOS to attend a wedding at Charlotte, NC-CLT, can you please book a flight ticket in the month of May?

ASSISTANT: Sure,may I know your travelling dates?

USER: My travelling dates are 05/04 and 05/06.

ASSISTANT: Do you have any price limit for booking ticket?

USER: I can pay up to 200.

ASSISTANT: Do you want any connections in between?

USER: I need a connecting flight.

ASSISTANT: Can you tell me about your airline preference?

USER: Yes, I need a normal cost flight.

ASSISTANT: Please wait for a while, I will check with it.

USER: Ok.

ASSISTANT: There is a flight with maximum price 100, shall I proceed?

USER: Yes, please.

ASSISTANT: Ok, your ticket has been confirmed with flight-1013.

USER: Thank you.

ASSISTANT: Thanks for opting us, have a happy journey.