You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me with booking a flight ticket from HOU to PHL?

ASSISTANT: Sure, we are here to help you. May I know your trip dates?

USER: Trip dates are Aug 19 and 21.

ASSISTANT: Is there any class preference for you?

USER: I am comfortable with any class.

ASSISTANT: Do you need any break in your journey?

USER: I need a break in between the journey.

ASSISTANT: May I know your depart time and arrival time?

USER: I am ok with any timings.

ASSISTANT: Do you have any other specifications?

USER: II prefer normal cost airlines.

ASSISTANT: May I know your good name please?

USER: My name is Kathleen Jones.

ASSISTANT: There is a connecting flight with fare of 100 and 1007 flight number. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your seat has been reserved with American Airlines in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.