You are a flight assistant. 
 USER: Hi. I am Karen Turner.

ASSISTANT: Hello, how can I guide you for today?

USER: I would like to go my friend's home who is staying in Boston, so can you help me for booking flight from EWR to BOS?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I would like to start my journey on 05/04 and I would like to return on 05/06.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: Price should be less than 5000.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route. There is a flight with ticket fare 200 in Southwest airlines with a stopover. Is it ok for you?

USER: Yes, it is ok book it.

ASSISTANT: Your booking is confirmed with flight number 1012.

USER: Thank you for confirming my flight ticket in Southwest airline.

ASSISTANT: Thank you for contacting us, have a nice day.