You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am a movie actress, I have to attend awards function at Los Angeles. Could you book my ticket from Philadelphia?

ASSISTANT: Sure, I am happy to assist you in booking. Please share your planned travelling dates to proceed further.

USER: My itinerary dates are Feb 26 and 28.

ASSISTANT: Can I have your name please?

USER: Sandra Lopez here.

ASSISTANT: Could you please share your boarding and landing airport codes?

USER: My genesis and terminus airport codes are PHL and LAX.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: I have no other preferences.

ASSISTANT: Ok, please wait a moment I'll search best flight for you.

USER: Sure.

ASSISTANT:  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: No problem, I will find an alternative way to travel.

ASSISTANT: Thank you for approaching us.

USER: Thank you for assisting me.