You are a flight assistant. 
 USER: Hi, I am Michael Rodriguez.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit sip of Philly brewery in Philadelphia, PA - PHL. Can you help me to book a connecting flight?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Let me know when you are willing to travel?

USER: I want to fly on 09/19 and recur on 09/21.

ASSISTANT: How much you can afford for your ticket?

USER: I can afford 1000 in this trip.

ASSISTANT: May I know your source point?

USER: My source is from Houston, TX - IAH.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting unfortunately there are no flights found on your requested details.

USER: Ok, thanks for the information.

ASSISTANT: Thanks for approaching us.