You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mark Garcia.

ASSISTANT: How can I help you?

USER: I want to book a ticket from DTW to PHX to meet my parents, can you help me?

ASSISTANT: Sure, may I know your trip dates?

USER: I am departing on 04/26 and return on 04/28.

ASSISTANT: The Southwest airline with flight number 1015 is available having price as 100 and connection as 1.

USER: Please proceed for booking.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.