You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me booking a flight ticket from HOU to BOS?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates to book a flight ticket?

USER: I will start on 03/24 and return on 03/26.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: May I know your name? Thanks for waiting there are no flights found on your details.

USER: I am Rachel Miller.

ASSISTANT: Thanks for approaching us.