You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you at this moment?

USER: Kenneth King here. Can you help me to book a flight ticket from DCA to IAH?

ASSISTANT: Sure, I will help you. Can I have your journey dates?

USER: Ok, my itinerary dates are 08/05 and 08/07.

ASSISTANT: Can I have a moment please?

USER: Ok, take your time.

ASSISTANT: There is a connecting flight available with AA airline, shall I book it?

USER: Ok, please go ahead for booking.

ASSISTANT: Your booking is done with flight number 1022. Happy journey.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.