You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Frank Taylor.

ASSISTANT: How may I help you Frank?

USER: Can you help me in booking a ticket for my family function from LAS to BOS?

ASSISTANT: Sure. Please let me know your travel dates.

USER: My travelling dates are 03/24 to 03/26.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: There are no flights available matching with your travel details.

USER: Thank you for the quick response.

ASSISTANT: You are welcome Frank.