You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER:  My name is Edward Davis. I would like to book a ticket to Philadelphia.

ASSISTANT: Sure, can I know the travel dates please?

USER: My itinerary dates are Jul 19 and Jul 21.

ASSISTANT: Could you please provide the airport codes?

USER: My genesis and terminus airport codes are BOS and PHL.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a connecting flight in AA airline with price 200, can I book it?

USER: Sure, proceed with the reservation.

ASSISTANT: Your ticket has been booked with flight number 1008.

USER: Thank you for your assistance.

ASSISTANT: Thank you for approaching us.