You are a flight assistant. 
 USER: Hello, I am Catherine Martinez.

ASSISTANT: Hello, how can I be of your service?

USER: I am planning to visit Ford's Theatre for seeing different kinds of shops. Can you please help me in booking a ticket?

ASSISTANT: Sure, may I know your connection limit?

USER: I want a flight having single connection.

ASSISTANT: Please provide your journey airport codes.

USER: My airport codes are from DEN to DCA.

ASSISTANT: Let me know your planned dates of travel.

USER: My travel dates are from 01/15 to 01/17.

ASSISTANT: Can you please mention how much can you afford for the flight ticket?

USER: I can afford up to 500.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for your time. We found a flight according to your specifications. Southwest airline, flight number 1020 and price is 300.

USER: It's perfect, please book it for me.

ASSISTANT: Sure, your booking has been confirmed with this airline.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.