You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Please can you help me to book a flight ticket from DCA to PHL?

ASSISTANT: Sure, can you mention your journey dates, please?

USER: Ok, please book for the dates 09/19 and 09/21.

ASSISTANT: Please wait a moment.

USER: Please take the time you need.

ASSISTANT: There is a flight with one connection and the price is 100 in Sprint airlines, can I proceed with the reservation?

USER: That is good, please book. The flight intents provided are matching.

ASSISTANT: Your ticket has been reserved with the flight number 1028.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching our service. Please mention your name.