You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a normal-cost airline with 1 connection. Could you help me in booking?

ASSISTANT: Sure, may I know your travelling airport codes?

USER: My airport codes are from CLT to HOU.

ASSISTANT: Please mention your travelling dates.

USER: My travelling dates are from April 28-30.

ASSISTANT: Do you need any specifications?

USER: .No.

ASSISTANT: There is a flight with one connection and the price is 400 in United airlines, can I proceed with the reservation in business class flight ticket?

USER: Yes, please proceed.

ASSISTANT: On whose name shall I reserve flight ticket?

USER: Daniel Mitchell here.

ASSISTANT: Your ticket has been reserved with the flight number 1009.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching our service.