You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Benjamin Phillips. I would like to book a ticket to Seattle, can you please help me out?

ASSISTANT: Sure, I will help you in booking. Can you please share your trip dates?

USER: I am travelling on these dates 08/03 and 08/05.

ASSISTANT: Kindly share your airport codes?

USER: I am flying from IAH to SEA.

ASSISTANT: Sorry, no flights are available on your planning dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: Welcome, have a nice day.