You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you?

USER: I intend to fly from Washington attend a business meet at Denver. Can you help me book a connecting flight?

ASSISTANT: Sure, may I know your airport codes?

USER: My journey is from DCA to DEN.

ASSISTANT: When are you planning to travel?

USER: They are planned to be on 07/31 and 08/02.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: Hawaiian airline with flight number 1012 is going on your route and the fare is 100. Shall I proceed?

USER: You can proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us. May I know your name?

USER: Nancy Parker is my name.

ASSISTANT: Thank you.