You are a flight assistant. 
 USER: Hello. My name is Melissa Smith.

ASSISTANT: Hello Smith, how can I support you at this moment?

USER: I want to see the different collection of old cars in Elisabet Ney Museum of Transportation at Austin.

ASSISTANT: Ok.

USER: Will you please aid me in making an airline reservation from Washington?

ASSISTANT: Sure Melissa, I glad to help you, may I know when you are willing to travel?

USER: I am willing to move on 11/09. I intend to return on 11/11.

ASSISTANT: Could you please help me with your airport abbreviations and codes for searching a best flights.

USER: I would like board from Washington DC-IAD and land on Austin TX-AUS.

ASSISTANT: Please state your lay by's.

USER: I need a lay by in between my journey.

ASSISTANT: Please wait for a while, I will check and get back to you with positive response.

USER: Sure, I would be waiting for your response.

ASSISTANT: There is a AA 1011 airline with fare of 200 which matches your travelling dates. Shall I proceed with further formalities?

USER: It's perfect, please continue with booking my flight ticket.

ASSISTANT: Sure, your booking has been confirmed on name of  Melissa Smith.

USER: Thank you for your kind assistance.

ASSISTANT: Thank you for approaching us, have a safe journey.