You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Robert Thomas.

ASSISTANT: How can I help you now?

USER: Book a ticket from BOS to SFO, to see my grandfather who is admitted in hospital.

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: Sure, my trip dates are 10/12 and 10/14.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight 1001 in Southwest airline. Can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thanks for your help.

ASSISTANT: You are welcome.