You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a ticket from PHL to HOU. Could you book a ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Travelling dates are from Oct, 19 to Oct, 21.

ASSISTANT: Do you have any other specifications?

USER: I would prefer connecting flight.

ASSISTANT: Please help me with your name for booking.

USER: My name is Melissa Nelson.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 300 with flight number 1010. Shall I proceed with this flight?

USER: Please book a ticket.

ASSISTANT: Your booking is done.

USER: Thanks.

ASSISTANT: Most welcome.