You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me to book a ticket from DFW to PHX?

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

USER: My travelling dates are on July 02 and July 04.

ASSISTANT: Do you have any other specifications?

USER: I need only single connection.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: I have found an economy class ticket with a price of 200 and 1 connection.

USER: You can proceed.

ASSISTANT: Can I know your name for booking?

USER: My name is Sandra Nelson.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.