You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Linda Evans. I am planning to travel from DCA to SFO, can you help in booking a flight for me?

ASSISTANT: Sure, may I know your desired dates of journey?

USER: My date of travelling is on 02/21 to 02/23.

ASSISTANT: Give me a minute, so that I can check with the availability.

USER: sure.

ASSISTANT: There is a connecting flight with number 1012 in airline JetBlue, the fare is 100. Can I book it?

USER: Yes proceed for booking.

ASSISTANT: Your ticket is booked, happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.