You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Rebecca Edwards here. Please help me out in booking the ticket from IAH to PHL.

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates will be Apr 27 to Apr 29.

ASSISTANT: Do you have any preferences?

USER: I need a 1 stopover in between my journey.

ASSISTANT: There is a connecting flight with number 1003 in airline UA, the fare is 100 in economy class. Can I book it?

USER: Please proceed.

ASSISTANT: Your ticket is booked, the depart time is 16:00 and arrival time is 4:00.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.