You are a flight assistant. 
 USER: Hi. I am Lisa Collins.

ASSISTANT: Hello, how can I best support you today?

USER: I am planning to celebrate the food festival in my office at PHL, can you please reserve my flight ticket from PHX?

ASSISTANT: Sure, we can help you with that.

USER: Thank you.

ASSISTANT: When are you planning to depart and return on?

USER: I am planning to depart on Dec 24th and return on Dec 26th.

ASSISTANT: Do you prefer a stopover flight?

USER: I will prefer a stopover.

ASSISTANT: How much can you afford in booking your air ticket?

USER: I can afford upto 5000.

ASSISTANT: Do you have any preferences with the class?

USER: I am comfortable with any class.

ASSISTANT: Thank you for your details, we found a connecting flight 1013 in UA airline the price is 100 with a economy class. Shall I go ahead with booking?

USER: Please reserve my flight ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you.