You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please assist me in booking a flight from PHL to HOU?

ASSISTANT: Sure, please provide me your journey dates.

USER: My travel dates are Mar 17th and 19th.

ASSISTANT: Do you have any other preference?

USER: I prefer maximum one connection between my trip.

ASSISTANT: Ok, may I know your name please?

USER: My name is Karen Walker.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Karen Walker, there is a connecting flight available in Southwest airline at a price of 300 with single connection.

USER: Please proceed with the booking.

ASSISTANT: Your booking has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.