You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to travel from PHL to HOU. Can you help me to book a flight ticket?

ASSISTANT: Can you share  your trip dates?

USER: I want to travel in the flight on 03/17 and 03/19.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: I am Sandra Edwards.

ASSISTANT: Connecting flight number 1006 with price 200 in economy class is available. Is it ok for you?

USER: Proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.