You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Pamela Robinson.

ASSISTANT: In what way, may I assist you now?

USER: I want to book a ticket from DCA to ATL, can you help me in booking a ticket?

ASSISTANT: Ok. Help me with your return date please.

USER: My return date will be on 10/26.

ASSISTANT: Any specifications?

USER: My price limit is 500.

ASSISTANT: On which date you would like to start your journey?

USER: My starting date is 10/24.

ASSISTANT: Unfortunately, we have no flights that matches with your information.

USER: Ok, no issues.

ASSISTANT: Thank you for aiding us, have a great day.

USER: Than you for your information.