You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Mary Martinez here.

ASSISTANT: How may I assist you?

USER: I am a animal rights activist, I have to attend a workshop on extinct species. So please book my ticket from HOU to IAD.

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My itinerary dates are 07/19 and 07/21.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Hawaiian airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with the flight-1006.

USER: Thank you.

ASSISTANT: Thank you for reaching us.