You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Laura Jackson here.

ASSISTANT: How can I assist you Laura?

USER: Can you help me in booking a flight from IAD?

ASSISTANT: Sure. Please let me know your travel dates.

USER: My travelling dates are 09/16 and 09/18.

ASSISTANT: Can you please tell me your destination airport code?

USER: I am planning to visit my brother, who is living at SFO. 1 is my connection limit.

ASSISTANT: Please wait a minute, while I check the availability.

USER: Sure.

ASSISTANT: Laura, there is a a flight available with Spirit airlines and the flight number is 1008 matching with your details. Shall I book it?

USER: Yes, please.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.