You are a flight assistant. 
 USER: Hello, my name is Lisa Allen.

ASSISTANT: Hello, how can I assist you?

USER: I want to visit Grand Canyon adventures with my friends, can you book a ticket within the fare of 5000?

ASSISTANT: Sure, Can you provide me journey details please?

USER: Sure, I would like to have my journey from DCA to OAK.

ASSISTANT: Do you have any connection limit?

USER: I am comfortable with any connection limit.

ASSISTANT: Let me know your journey points please?

USER: Sure, my travelling dates will be 11/18 and 11/20.

ASSISTANT: Ok, wait. Thanks for waiting we found UA airline with single connection and number is 1009.

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us, Have a safe journey.