You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I help you?

USER: I am Barbara Garcia want to visit PHX, so please book a flight from LAS.

ASSISTANT: Please provide your travelling dates?

USER: My travelling dates are 06/28 and 06/30.

ASSISTANT: Please provide connections limit?

USER: I need a connecting flight.

ASSISTANT: Ok. There are no flights found.

USER: Ok, no issues.

ASSISTANT: Thanks.

USER: Thank you for your time.