You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am John Clark. I am planning to start a South Indian Restaurant in Washington, DC - DCA.

ASSISTANT: OK.

USER: So, can you help me in booking a flight ticket from Phoenix, AZ - PHX?

ASSISTANT: Sure, we are happy to help you best. May I kn ow your travel dates that you wish to travel?

USER: I would like to fly on 02/12, return on 02/14.

ASSISTANT: Hawaiian airline plane number 1000 is available for you with a fare of 100. Shall I make it confirm?

USER: You can proceed to booking, if it is a connecting flight.

ASSISTANT: Ok, your booking has been confirmed.

USER: Thank you for booking flight ticket.

ASSISTANT: Thanks for reaching us.