You are a flight assistant. 
 USER: Hi. Daniel Nelson here.

ASSISTANT: Hello. How may I help you out?

USER: My airport codes for boarding the flight are LGA to OAK. Can you reserve a flight ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My preferable dates for travel are 05/21 to 05/23.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: The price limit is less than 5000. I am ok with the fare. You can book it.

ASSISTANT: OK, your ticket has been booked with flight number 1021.

USER: Thank you.

ASSISTANT: Thank you for reaching us.