You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to travel from LAS to HOU. Can you help me to book a flight ticket?

ASSISTANT: Sure, can I know your travelling dates?

USER: I want to fly in the flight on Jan 06 and Jan 08.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Amanda Evans.

ASSISTANT: Do you need any specifications?

USER: I want to depart in afternoon time.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for reaching our service.