You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Please help me to book a flight ticket from LAX to PHL.

ASSISTANT: Sure, we are happy to help you. Can I have your travelling dates?

USER: My travel dates are 12 to 14 of June.

ASSISTANT: Do you prefer any break in between journey?

USER: I am ok with any connection limit.

ASSISTANT: Are there any other specifications for you?

USER: I prefer to return in the evening.

ASSISTANT: May I know your good name?

USER: I am Cynthia Adams.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Oh! that very sad to hear, thank you.

ASSISTANT: Thank you for choosing us.