You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I abet you today?

USER: I am Richard Smith. I want to book a ticket from IAD to LAX, can you help me?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My travel dates are 07/30 and 08/01.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a flight with connection 1.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, We have found a flight with UA airlines matching to your criteria.

USER: You can book it.

ASSISTANT: Shall I proceed for booking? Your booking has been done.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.