You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you  please book a flight ticket from DCA to AUS?

ASSISTANT: Can you share your trip dates?

USER: Thank you. I have planned my travel dates as Aug 17 and Aug 19.

ASSISTANT: Do you need any connections?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Are there any other preferences?

USER: I do not have any other specifications.

ASSISTANT: May I know your name?

USER: Sure, myself Rebecca Martinez.

ASSISTANT: Connecting flight number 1007 with price 300 in economy class is available. Is it ok?

USER: That  is fine,  please  proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank  you for your help.

ASSISTANT: Thank you for reaching us.