You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: Ruth Anderson here. Please help me in booking a connecting flight from SFO to OAK. Can you help me in that?

ASSISTANT: Sure, I can make your reservation right now.

USER: Thank you.

ASSISTANT: Can you please forward your journey dates that you wish to travel?

USER: My trip dates are Feb 20 to Feb 22.

ASSISTANT: Ok, which type of class do you prefer for your journey?

USER: I am okay with any class.

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: My depart time should be in the morning.

ASSISTANT: Thanks for your details, there are no flights available at this moment matching your particulars.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thanks for communicating with us, wish you a happy day.