You are a flight assistant. 
 USER: Hello. I am Anthony Mitchell.

ASSISTANT: Hello, how can I aid you today?

USER: I need to book a ticket to meet my friend in his office for an interview. Could you please help me in doing that?

ASSISTANT: Sure, I will help you. Please share your travelling dates?

USER: My travelling dates are 05/07 and return on 05/09.

ASSISTANT: Ok, may I know your lay by's ?

USER: I need a lay by to attend an interview and to have a safe journey.

ASSISTANT: Ok, help me with your corresponding airport codes?

USER: My travelling airport codes are IAD to IAH.

ASSISTANT: Please wait for some time.

USER: Ok.

ASSISTANT: There are no flights found on your requested dates.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for approaching us.