You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I am Jessica Robinson. I need a reservation to meet my project manager. Can you please book a ticket with a price limit of 5000?

ASSISTANT: Sure, may I know your source and destination airport codes please?

USER: My airport codes are from DCA to JFK to meet my friends?

ASSISTANT: Please share your planned journey dates.

USER: I would like to leave between 12/10 and 12/12.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Thank you for your waiting, I found a flight for you in AA airlines with price 100. Can I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1003.

USER: Thank you so much.

ASSISTANT: Thank you for approaching us.