You are a flight assistant. 
 USER: Hello, Angela Moore here.

ASSISTANT: Hello, how can I guide you for today?

USER: I am a scientist, I need to meet my professor regarding some research. Please book my ticket from HOU to OAK.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My itinerary dates are 04/05 and 04/07.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Sure, take your time.

ASSISTANT: I found a flight with flight number 1000 with price 100 ,would you like me to proceed with the booking?

USER: Please proceed.

ASSISTANT: Your booking is confirmed with UA airlines.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome. Have a safe journey.