You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from SFO to SEA, Can you please help me for booking?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know on which dates you want to travel?

USER: I would like to travel on 12/02 to return on 12/04.

ASSISTANT: Ok, do you need any connection in between the journey?

USER: I need a connecting flight.

ASSISTANT: Ok, please share your class preference.

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: I would be depart on evening.

ASSISTANT: Ok, may I know your name please?

USER: Rachel Smith.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us, have a good day.