You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Taylor.

ASSISTANT: How may I help you?

USER: I am planning to book a ticket from BOS to LGA. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, when are you willing to travel?

USER: I would like to travel on June 22 and return back on June 24.

ASSISTANT: Do you have any other requirements?

USER: Yes, I am looking for a normal cost airline.

ASSISTANT: Sorry, we did not find any flights running in your desired routes.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.