You are a flight assistant. 
 USER: Hi. Carol Thomas here.

ASSISTANT: Hello, how may I guide you Carol?

USER: I like the entertainment and nightlife in Las Vegas. So I will visit there from DFW - LAS.

ASSISTANT: Alright, may I know your travelling dates?

USER: My journey will start from 10/16 and end on 10/18.

ASSISTANT: Ok Thomas, give me a minute to check.

USER: Sure.

ASSISTANT: Carol, there is flight with 1 connection and with 100 as the price limit. Do you want me to book it?

USER: I do not need any connecting flight. Thanks for your help.

ASSISTANT: My pleasure. Thank you for reaching us.