You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Patricia Parker here.

ASSISTANT: How may I aid you?

USER: I am looking for a flight ticket in normal-cost airline. Can you book it for me?

ASSISTANT: Sure, may I know your trip dates?

USER: The trip dates for the journey are from Apr 08 to Apr 10.

ASSISTANT: Help me with the airport codes?

USER: Yes, and the airport codes are from LGA to IAH.

ASSISTANT: Do you have any specifications?

USER: I am looking for a single connecting flight.

ASSISTANT: We found a flight in an airline American with price of 700. Shall I proceed to book?

USER: I am fine with the airlines and fare. You can book it.

ASSISTANT: Your flight ticket has been reserved with 1021 number in a business class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.