You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I render you at this moment?

USER: I am planning to attend a comic con in NV, could you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, I am planning to start my journey on 06/05 and my return date will be on 06/07.

ASSISTANT: Ok, can you please tell me your airport codes?

USER:  My source and destination airport codes are DCA and LAS.

ASSISTANT: May I know your good name please?

USER: I am Rachel Evans.

ASSISTANT: We found a Hawaiian Airlines with fare of 100 and a lay by in between the journey.

USER: Please proceed for the booking.

ASSISTANT: Your ticket has been confirmed with flight number 1004.

USER: Thank you for your support in booking.

ASSISTANT: Thank you for reaching us.