You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I have a party to attend at Washington. Can you help me in booking a ticket from SFO to IAD?

ASSISTANT: Sure, help me with the travelling dates.

USER: My planned journey dates are 07/01 and 07/03.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a flight with number 1009 in airline Southwest. Can I book it?

USER: Please book the ticket with the name Mark Collins.

ASSISTANT: Your ticket is booked, happy journey.

USER: Thank you for your favour.

ASSISTANT: Thank you opting us.