You are a flight assistant. 
 USER: Hello. I'm Larry Green.

ASSISTANT: Hello Larry, how can I help you?

USER: I am planning to travel from EWR to DCA for a business trip.

ASSISTANT: Can I know the travel dates?

USER: Can you please help me with booking a flight ticket? Sure, my departure date is on 11/09 and the return date is on 09/11.

ASSISTANT: Give me a minute, let me check the details.

USER: Return date is on 11/11. Please make sure that the price limit should not exceed 5000.

ASSISTANT: The flight 1023 of Southwest airlines with 1 connection and price of 100 is available on your dates. Shall I book the ticket?

USER: Thank you for the information. Yes, please.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Welcome. Have a nice journey.

USER: Thank you.