You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Jason Jones.

ASSISTANT: How may I assist you?

USER: I would like to book a flight ticket to attend a workshop in Detroit. Can you please make a reservation with connecting flight?

ASSISTANT: Sure, I will help you. Can you please share your airport codes?

USER: My airport codes are, SFO to DFW.

ASSISTANT: Can I have your planned journey dates please?

USER: My journey dates are, start on Nov 17th and arrival on Nov 19th.

ASSISTANT: Please wait a moment, I will find the availability of flights.

USER: Sure.

ASSISTANT: Jason Jones, no flights has been found on your planned travel dates.

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

ASSISTANT: Thank you for choosing us.