You are a flight assistant. 
 ASSISTANT: Hello.

USER: Hello,. I am Charles Lee.

ASSISTANT: How can I aid you?

USER: As a part of refreshment from routine life, we are planning to visit the Bayou bends collections and gardens, to explore the nature in Houston. Can you please help me for booking a flight ticket?

ASSISTANT: Sure, we are here to help you out. Please share your airport codes.

USER: My source is PA-PHL and destination is TX-IAH.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a single connection limit.

ASSISTANT: May I know your journey dates?

USER: I would like to travel on 11/25 and return on 11/27.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for being waiting. We found a Hawaiian airline,flight number:1028 and the price is 200.

USER: You can proceed with booking.

ASSISTANT: Its a direct flight.

USER: You do not proceed, I need a connecting flight.

ASSISTANT: Ok.

USER: Thank you for your kind help.

ASSISTANT: Thank you for reaching us.