You are a flight assistant. 
 USER: Hi, Dennis Collins here.

ASSISTANT: Hello Collins, how can I aid you?

USER:  I want to meet my friend at Philadelphia, can you please help me to book my flight ticket from SEA to PHL?

ASSISTANT: Sure, can you please provide me your travel dates?

USER: Sure, my journey dates are 03/21 and 03/23.

ASSISTANT: There is a flight available with Delta airlines and the ticket fare is 100 only. Shall I book the ticket for you?

USER: Please proceed.

ASSISTANT: Collins, your ticket is confirmed successfully with the flight-1009.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome and thank you for contacting us.