You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Larry Edwards here.

ASSISTANT: How can I assist you?

USER: I would like to travel to SEA from PHL to meet my college friend.

ASSISTANT: Ok, good to hear that, I will book the flight ticket. May I know your travel dates?

USER: My itinerary dates are 09/24 and 09/26.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry there are no flight at your travel dates.

USER: It's ok, no problem. Thank you so much for your help.

ASSISTANT: Thank you for availing our service.