You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I want to attend for an interview in San Francisco, so please book a flight ticket from LGA to SFO.

ASSISTANT: May I know your planned dates of travelling?

USER: My departure day is July 29, return day is July 31.

ASSISTANT: Can you share me your name, that I can move forward to book ticket.

USER: My name is Pamela Martin.

ASSISTANT: Thank you, let me know your airline preference please?

USER: I want normal cost airline.

ASSISTANT: Is there any connection limit?

USER: Yes, I want a flight with one connection.

ASSISTANT: Ok, do you have any other specifications?

USER: My return time should be afternoon.

ASSISTANT: Sorry, there are no flights found with your requirements.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.