You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: This is Sarah Young, can you help me to book a flight ticket from PHX to DFW?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: I am travelling from Mar 22 to Mar 24.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Please proceed to book it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.