You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Afternoon. How may I help you for today?

USER: I'm unable to find a flight with 1 connection, can you please help me in booking a ticket for my trip?

ASSISTANT: Yes sure, on which dates you are willing to go?

USER: My travelling dates are from 10/24 and 10/26.

ASSISTANT: May I know your airport codes?

USER: My travelling airport codes are BOS to LAS.

ASSISTANT: There is no flights available.

USER: It's ok. Thank you for the information.

ASSISTANT: May I know your nsame?

USER: Sure, myself Nancy Walker.

ASSISTANT: Thanks.