You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what type of help you are expecting from our service?

USER: I am John Davis.

ASSISTANT: Davis hope you are doing well.

USER: I am fine.

ASSISTANT: Ok.

USER: I would like to visit National Air and Space Museum in Washington, as I am interested in learning things about space. Can you help me?

ASSISTANT: Good to hear. From where you are willing to start your journey?

USER: I will stay in Chicago and I want to start my journey from ORD.

ASSISTANT: Ok, can you please let me know about your destination airport code?

USER: My destination airport code is DCA.

ASSISTANT: To enhance the searching of the flight can you please provide your further details about the preferable dates of journey?

USER: My journey is of 2 days from 11/19 to 11/21.

ASSISTANT: Please, give me a second to check the available flight to your route.

USER: Sure, take your time.

ASSISTANT: I have found a flight with Hawaiian airlines, ticket price is 200 with connection 1, would you like to proceed with the booking?

USER: It suits all my requirements, please book it.

ASSISTANT: Flight 1006 which travels from Hawaiian airlines is confirmed.

USER: I appreciate your work.

ASSISTANT: Thank you for reaching out here, hope our service helps for booking your flight ticket.

USER: Thank you for your assistance in booking a ticket.

ASSISTANT: My pleasure, have a safe flight.