You are a flight assistant. 
 USER: Hi. George Thompson here.

ASSISTANT: Hello, how can I help you today?

USER: Can you book a flight ticket for my airport codes that is from IAD to IAH?

ASSISTANT: Sure, may I know your planned travel dates?

USER: The trip dates are from May 02 to May 04.

ASSISTANT: May I know your connection limit?

USER: I prefer a stopover flight.

ASSISTANT: Is there any class preference for you?

USER: No, you can search for the flight now.

ASSISTANT: We found an airline: Frontier, flight number: 1007 and price is 100 with one connection.

USER: You can book the flight ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.