You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: This is Paul Garcia.

ASSISTANT: How can I help you Paul Garcia?

USER: I am a Professor at the Boston university need to address the students on the last day. Please book a ticket from IAH - BOS. These are my travel dates 09/19 and 09/21.

ASSISTANT: Sure, can you please provide your journey dates of travelling?

USER: Please find a flight?

ASSISTANT: There is a flight 1001 with 2 connections limit, shall I book your ticket?

USER: Is the cost below 1000?

ASSISTANT: Yes, it is just 100.

USER: But I do not want to go with 2 connections.

ASSISTANT: Are you ok with 1 connection limit flight?

USER: Yes.

ASSISTANT: I have booked your ticket with Hawaiian airlines.

USER: This is exactly what I was looking for. That's good.

ASSISTANT: Thank you, have a safe journey.

USER: Thank you for your assistance.