You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Betty Campbell. I want to attend my friends birthday at Phoenix, can you please book me a ticket with the fare of 5000?

ASSISTANT: Sure, I can help you. May I know your travelling dates?

USER: I would like to leave between 07/26 and 07/28.

ASSISTANT: Please share me your airport codes.

USER: It is a round trip from PHX.

ASSISTANT: We found a Hawaiian airline, flight number:1002 and the price is 100.

USER: Please book this ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you .

USER: Thank you so much.