You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Betty Moore here. Can you please book a flight ticket from HOU to DTW?

ASSISTANT: Sure, on which dates you want the ticket?

USER: I need to travel on dates of 04/18 and 04/20.

ASSISTANT: Noted, please wait for a moment.

USER: Sure, I will wait for your response.

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

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is confirmed with flight number 1021. Happy journey.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for reaching us.

USER: Most welcome.