You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you today?

USER: I need to make a booking.

ASSISTANT: Sure. Could you please let me know more details about your itinerary??

USER: Sure, let me see. i want to fly out from Philadelphia to Houston.

ASSISTANT: Okay sure. Do you have specific dates for your journey ?

USER: Yes I do. Flying out on 8 Feb. Returning back on 10 Feb.

ASSISTANT: sure. Let me check in our system. Do you have any specific carrier preference?

USER: Nope.

ASSISTANT: Do you have any specific time for your travel?

USER: i'm not particular on the times.

ASSISTANT: Okay. Would you want it in Economy or Business class?

USER: Either works.

ASSISTANT: Let me check flights for you. Just hold on for a minute.

USER: sure, take your time. Oh, one more thing. I need to get to a wedding on the day, so would prefer to not more than 1 connection.

ASSISTANT: Okay sure.

USER: Also, it's important I get there. So I'm willing to pay upto 5000 for a ticket!.

ASSISTANT: Thanks for your patience. Could you please let me know your full name?

USER: Laura Green.

ASSISTANT: Sorry Laura, I don't have any flights available based on your above preferences. Would you need help on something else?

USER: Never mind. I'll check somewhere else.