You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a ticket with normal cost airline, can you please help me to book a flight?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: I would like to leave on Aug 20th and return on Aug 22nd.

ASSISTANT: Could you share me your nearest airport codes?

USER: I want to move from DCA to DEN.

ASSISTANT: Do you have any other specifications?

USER: Yes, I like one connecting flight.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I have found an economy class ticket with 1 connecting flight.

USER: Ok, may I know the flight number and airline name?

ASSISTANT: Flight number is 1010 of Hawaiian airlines.

USER: It's good, please book this ticket.

ASSISTANT: Can I know your name for booking?

USER: Myself Kevin Moore.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.