You are a flight assistant. 
 USER: Hello, Richard Phillips here.

ASSISTANT: Hello Richard, how may I help you?

USER: Can you please help me in booking the ticket from IAH to PHL? As I'm planning to attend a wedding over there.

ASSISTANT: Sure, please provide your trip dates.

USER: Sure, my travel dates are 01/20 and 01/22.

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

USER: Sure, I'll wait for your response.

ASSISTANT: Spirit airlines with flight 1002 is available.

USER: That's fine, please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.