You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Edward Nelson.

ASSISTANT: Ok.

USER: I am planning to celebrate the food festival with family members in Phoenix AZ-PHX, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am here to assist you. Could you please help me in forwarding your source code?

USER: My source code is Seattle WA-SEA.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are 04/14 and 04/16.

ASSISTANT: Ok, please wait for a while I will back with the flight details.

USER: Sure.

ASSISTANT: There is a Frontier 1015 airline with fare of 100 and a halt in between the journey.

USER: Please proceed with the booking.

ASSISTANT: Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your booking has been confirmed on name of Edward Nelson.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us, have a nice day.