You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Could you please reserve me a flight ticket which is having it's depart time in the afternoon?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for considering my request.

ASSISTANT: Can I have your take off and landing airport codes?

USER: My airport codes are IAD - AUS.

ASSISTANT: Please, share your planned journey dates.

USER: My trip dates are 05/05 - 05/07.

ASSISTANT: Let me know your connection limit.

USER: I need a single connection.

ASSISTANT: Do you have any other preferences?

USER: I preferred to fly in normal - cost airlines.

ASSISTANT: Your good name please?

USER: I am Nancy Jackson from Washington.

ASSISTANT: I am sorry, we did not find any flight that matches your preferences.

USER: Sad to hear from yours, thank you for your help.

ASSISTANT: Thank you for availing us.