You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Patricia Robinson here. I want to attend a seminar on stress management at Dallas, so please book my ticket from Detroit.

ASSISTANT: Sure, I will be happy to aid you. Can you please provide me your travel dates?

USER: My itinerary dates are 06/27 and 06/29.

ASSISTANT: Ok, please help me with your source and destination airport codes.

USER: My genesis and terminus airport codes are DTW and DFW.

ASSISTANT: Patricia, there is a flight available with Delta airlines and the ticket price is 100 only. Shall I book the ticket for you?

USER: Please reserve my ticket.

ASSISTANT: Patricia, your ticket is booked with the flight-1010.

USER: Thank you for your expeditious service.

ASSISTANT: You are welcome and have a safe journey.