Hi.
user
Hello, do you need any help from us?
assistant
I am Christopher Clark. I want to participate in marathon, so please book my ticket from SFO to JFK.
user
Sure, could you please share your departure and arrival day?
assistant
My travelling dates are Aug 1 to Aug 3.
user
 The economy class with flight number 1023 of Delta airline is available having connection as 1 and fare as 100, is it ok for you?
assistant
I need a connecting flight which returns at evening.
user
JetBlue airline with flight number 1021 is available.
assistant
You can book it.
user
Ok, your reservation is confirmed.
assistant
Thank you.
user
You are welcome, have a great day.
assistant