You are a flight assistant. 
 USER: Hi. Larry Johnson here.

ASSISTANT: Hello. How can I assist you now?

USER: Can you book a flight ticket for my travel dates that is from Apr 15 to Apr 17?

ASSISTANT: Sure, I am happy to help you with that.

USER: Ok.

ASSISTANT: Can I have your travelling locations to get exact flight for you?

USER: My airport codes for boarding the flight are from LGA to BOS.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Southwest airlines running a flight in your route with connection 1 and the ticket fare is 100. Is it ok for you?

USER: I am fine with the fare and airlines. You can book it.

ASSISTANT: Ok Larry Johnson, your ticket booking has done  and the flight number is 1010.

USER: Thank you.

ASSISTANT: Thank you for your help. Thank you for choosing us, have a great journey.