You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Aid me in booking a flight ticket from PHL to HOU.

ASSISTANT: Sure, let me know your travelling dates?

USER: I prefer to travel in between Jan 26 and Jan 28.

ASSISTANT: Do you have any connection limit?

USER: Connection flight is required.

ASSISTANT: Is there any other specifications?

USER: No other specifications required.

ASSISTANT: Can I know your name?

USER: Amy Wright here.

ASSISTANT: We found a Delta airline with flight number 1003 and fare 600 and class is business. Shall I proceed with booking?

USER: Sure, proceed to book it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for booking.

ASSISTANT: Thank you for availing us.