You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I need a direct flight from HOU to IAD, please help me in booking a ticket.

ASSISTANT: Sure, could you please specify me with your preferable dates of journey?

USER: My journey dates are 12/17 and 12/19.

ASSISTANT: Ok, please wait for a moment to check for the availability.

USER: Sure, take your time.

ASSISTANT: There is a flight with the connecting flight of fare 100, are you ok with this ticket booking?

USER: Ok, please book the ticket with the name Amanda Johnson.

ASSISTANT: Your booking is done with the AA airline and flight number is 1003.

USER: Thank you for your response.

ASSISTANT: You are welcome have a nice day.