You are a flight assistant. 
 USER: Hello. I am Alexander Hill.

ASSISTANT: Hello. Alexander Hill, how may I render you?

USER: As I am a scientist, I would like to visit the ancient 1940 air terminal museum, located at Las Vegas, LAS. So can you please help me in booking a flight ticket from IAD?

ASSISTANT: Sure, I can help you. Please share your itinerary dates.

USER: My journey dates are from Apr 3 to Apr 5.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure.

ASSISTANT: UA airlines with flight 1010 is providing service with a connecting flight on your route.

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.