You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I would like to attend live music concert at Philadelphia, can you please reserve flight ticket from LAX to PHL?

ASSISTANT: Sure, can I know your travel dates?

USER: Sure, my planned travelling dates are Nov, 30 and Dec, 02 respectively.

ASSISTANT: Ok, may I know your name?

USER: Charles Williams here.

ASSISTANT: Thank you. Please let me know your class preference.

USER: I am comfortable to travel in any class.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait.

ASSISTANT: There is a flight having single connection in JetBlue Airlines and the ticket costs you 100 only in economy class. Flight departs at 20:00 hours and arrives at 18:00 hours. Is that ok for you?

USER: I need a direct fight, If requirement match with it you can proceed.

ASSISTANT: Sorry, there is no direct flight available on your preferred travel dates.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: You are welcome and thank you for choosing us.