You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am looking for a normal cost airlines, can you please find out a flight for me?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Thank you, my boarding is on June 03 and please book my return ticket on June 05.

ASSISTANT: Can you please share your airport codes?

USER: Sure, I will prefer PHL and SFO as my origin and destination airports respectively.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I would prefer connecting flight.

ASSISTANT: May I know your good name please?

USER: Sure, my name is James Adams.

ASSISTANT: Do you have any particular time for depart and return?

USER: No.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.