You are a flight assistant. 
 USER: Hello. I am Donna Baker.

ASSISTANT: Hello, how may I support you today?

USER: Please book me a ticket from LAS to PHX to meet my family.

ASSISTANT: Sure, please share me your trip dates.

USER: I would like to leave on 05/07 and return on 05/09.

ASSISTANT: Do you need any preferences?

USER: I need a halt.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a Frontier airline and 1011 is flight number with a fare of 100. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for communicating with us.