You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Brain Miller.

ASSISTANT: Miller, how can I assist you?

USER: I have to go for client meeting in IAD from my home location LGA.Can you please book me a ticket?

ASSISTANT: Sure, please provide your journey dates.

USER: My meeting dates dates are 04/08 and 04/10.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Flight number 1028 of Spirit airlines is available for you.

USER: Ok, you can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.