You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Barbara Williams here.

ASSISTANT: Williams, which help you are expecting from my side?

USER: Reserve a flight ticket that is from 02/22 to 02/24..

ASSISTANT: Ok, please share your travelling airport codes?

USER: My airport codes for travel are BOS to CLT.

ASSISTANT: I found a flight for you that Southwest airline with connection 1 as per your details, can I proceed to booking?

USER: I need a flight with a price below 200.

ASSISTANT: Price 100 is available.

USER: You can book it.

ASSISTANT: I confirmed your ticket by flight number 1000.

USER: Thank you.

ASSISTANT: It's my pleasure.