You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Rachel Hall.

ASSISTANT: How may I assist you?

USER: I am planning to go for a holiday trip with my friend's in LGA, can you please help me to book a flight ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates are 12/07 to 12/09.

ASSISTANT: Can you please share me your origin airport code?

USER: I need a halt with fare 500.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: To check the flight details we need your origin airport code, can you please share me your origin airport code?

USER: It is PHX.

ASSISTANT: We found a flight on your details with airline Delta, flight number: 1007. Shall I book this ticket?

USER: Ok, book the ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you so much.