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

ASSISTANT: Hello. How may I help you today?

USER: My airport codes for boarding the flight are LGA to SFO. Can you book the flight ticket? The price limit is less than 1000.

ASSISTANT: Sure, I am here to help you with ticket booking. Can you please tell me your travel dates?

USER: My preferable dates for travel are 09/08 to 09/10.

ASSISTANT: Ok, please allow me sometime to search the flight.

USER: Sure.

ASSISTANT: There is a flight ticket available in the Spirit airlines which is having a connection limit 1 and the price is 200. Can I reserve your ticket with this flight?

USER: I am ok with the fare. You can book it.

ASSISTANT: Ok, your ticket is reserved successfully  with the flight number 1004.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.